Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Manufacture, use & exposure

Uses at industrial sites

Documentsopen allclose all

Uses at industrial sites

Contributing activity / technique for workersopen allclose all
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 5: Mixing or blending in batch processes
Process category (PROC):
PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Process category (PROC):
PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
Product category used:
PC 15: Non-metal-surface treatment products
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
SU 11: Manufacture of rubber products
SU 12: Manufacture of plastics products, including compounding and conversion
SU 13: Manufacture of other non-metallic mineral products, e.g. plasters, cement
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no
Related assessment:
use assessed in a joint CSR

Uses at industrial sites

Registration/ Notification status for the use:
use registered according to REACH Article 10; total tonnage manufactured/imported >=10tonnes/year per registrant
Contributing activity / technique for the environment
Name of activity / technique:
Use as laboratory reagent
Environmental release category (ERC):
ERC6b: Use of reactive processing aid at industrial site (no inclusion into or onto article)
Contributing activity / technique for workers
Name of activity / technique:
Use as laboratory reagent
Process category (PROC):
PROC 15: Use as laboratory reagent
Product category used:
PC 21: Laboratory chemicals
Sector of end use:
SU 24: Scientific research and development
Subsequent service life relevant for this use:
no
Related assessment:
use assessed in a joint CSR

Uses at industrial sites

Registration/ Notification status for the use:
use registered according to REACH Article 10; total tonnage manufactured/imported <10tonnes/year per registrant
Contributing activity / technique for the environment
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workers
Process category (PROC):
PROC 0: Other: Surface treating activities using this product occur outside of Europe.
Product category used:
PC 15: Non-metal-surface treatment products
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
SU 11: Manufacture of rubber products
SU 12: Manufacture of plastics products, including compounding and conversion
SU 13: Manufacture of other non-metallic mineral products, e.g. plasters, cement
Substance supplied to that use in form of:
in a mixture
Subsequent service life relevant for this use:
no

Uses at industrial sites

Contributing activity / technique for the environment
Environmental release category (ERC):
ERC7: Use of functional fluid at industrial site
Contributing activity / technique for workers
Process category (PROC):
PROC 15: Use as laboratory reagent
Product category used:
PC 21: Laboratory chemicals
Sector of end use:
SU 9: Manufacture of fine chemicals
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no

Uses at industrial sites

Registration/ Notification status for the use:
use registered according to REACH Article 10; total tonnage manufactured/imported >=10tonnes/year per registrant
Reference
Name:
1,1,1,3,3,3-Hexamethyldisilazane
Type of composition:
legal entity composition of the substance
State / form:
liquid
Reference substance:
1,1,1,3,3,3-Hexamethyldisilazane
Contributing activity / technique for the environment
Name of activity / technique:
Use as an intermediate; Downstream user site; Higher tier conditions of use
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workersopen allclose all
Name of activity / technique:
Use as an intermediate; Downstream user site; Higher tier conditions of use
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Name of activity / technique:
Use as an intermediate; Downstream user site; Higher tier conditions of use
Process category (PROC):
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
Name of activity / technique:
Use as an intermediate; Downstream user site; Higher tier conditions of use
Process category (PROC):
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
Name of activity / technique:
Use as an intermediate; Downstream user site; Higher tier conditions of use
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Name of activity / technique:
Use as an intermediate; Downstream user site; Higher tier conditions of use
Process category (PROC):
PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
PROC28: Manual maintenance (cleaning and repair) of machinery
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no
Related assessment:
use assessed in a joint CSR

Uses at industrial sites

Registration/ Notification status for the use:
use registered according to REACH Article 10; total tonnage manufactured/imported >=10tonnes/year per registrant
Contributing activity / technique for the environment
Name of activity / technique:
Use of HMDZ in the manufacture of semiconductors
Environmental release category (ERC):
ERC6b: Use of reactive processing aid at industrial site (no inclusion into or onto article)
Contributing activity / technique for workers
Name of activity / technique:
Use of HMDZ in the manufacture of semiconductors
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
PROC 13: Treatment of articles by dipping and pouring
Product category used:
PC 33: Semiconductors
Sector of end use:
SU 16: Manufacture of computer, electronic and optical products, electrical equipment
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no
Related assessment:
use assessed in a joint CSR

Uses at industrial sites

Contributing activity / technique for the environment
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workers
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Product category used:
PC 0: Other: INTERMEDIATE
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no

Uses at industrial sites

Contributing activity / technique for the environment
Environmental release category (ERC):
ERC6a: Use of intermediate
ERC6b: Use of reactive processing aid at industrial site (no inclusion into or onto article)
Contributing activity / technique for workers
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
Product category used:
PC 20: Products such as ph-regulators, flocculants, precipitants, neutralisation agents
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
Substance supplied to that use in form of:
as such
in a mixture
Subsequent service life relevant for this use:
no

Uses at industrial sites

Registration/ Notification status for the use:
use registered according to REACH Article 10; total tonnage manufactured/imported >=10tonnes/year per registrant
Reference
Name:
1,1,1,3,3,3-Hexamethyldisilazane
Type of composition:
legal entity composition of the substance
State / form:
liquid
Reference substance:
1,1,1,3,3,3-Hexamethyldisilazane
Contributing activity / technique for the environment
Name of activity / technique:
Application of dielectric coatings, photoresists and anti-reflective coatings; Basic conditions of use
Environmental release category (ERC):
ERC6b: Use of reactive processing aid at industrial site (no inclusion into or onto article)
Contributing activity / technique for workersopen allclose all
Name of activity / technique:
Application of dielectric coatings, photoresists and anti-reflective coatings; Basic conditions of use
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Name of activity / technique:
Application of dielectric coatings, photoresists and anti-reflective coatings; Basic conditions of use
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Name of activity / technique:
Application of dielectric coatings, photoresists and anti-reflective coatings; Basic conditions of use
Process category (PROC):
PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
Name of activity / technique:
Application of dielectric coatings, photoresists and anti-reflective coatings; Basic conditions of use
Process category (PROC):
PROC 13: Treatment of articles by dipping and pouring
Name of activity / technique:
Application of dielectric coatings, photoresists and anti-reflective coatings; Basic conditions of use
Process category (PROC):
PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
PROC28: Manual maintenance (cleaning and repair) of machinery
Product category used:
PC 9a: Coatings and paints, thinners, paint removes
PC 33: Semiconductors
Sector of end use:
SU 16: Manufacture of computer, electronic and optical products, electrical equipment
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no
Related assessment:
use assessed in a joint CSR

Uses at industrial sites

Contributing activity / technique for workersopen allclose all
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
Substance supplied to that use in form of:
as such

Uses at industrial sites

Contributing activity / technique for the environment
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workersopen allclose all
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Process category (PROC):
PROC 13: Treatment of articles by dipping and pouring
Product category used:
PC 33: Semiconductors
Sector of end use:
SU 16: Manufacture of computer, electronic and optical products, electrical equipment
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no
Related assessment:
use assessed in a joint CSR

Uses at industrial sites

Contributing activity / technique for the environment
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workersopen allclose all
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Process category (PROC):
PROC 13: Treatment of articles by dipping and pouring
Product category used:
PC 33: Semiconductors
Sector of end use:
SU 16: Manufacture of computer, electronic and optical products, electrical equipment
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no
Related assessment:
use assessed in a joint CSR

Uses at industrial sites

Contributing activity / technique for the environment
Environmental release category (ERC):
ERC6b: Use of reactive processing aid at industrial site (no inclusion into or onto article)
ERC6d: Use of reactive process regulators in polymerisation processes at industrial site (inclusion or not into/onto article)
Contributing activity / technique for workers
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
PROC 5: Mixing or blending in batch processes
PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
PROC 15: Use as laboratory reagent
Product category used:
PC 15: Non-metal-surface treatment products
Sector of end use:
SU 0: Other: INDUSTRIAL USE
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no

Uses at industrial sites

Contributing activity / technique for the environmentopen allclose all
Environmental release category (ERC):
ERC6a: Use of intermediate
Environmental release category (ERC):
ERC6d: Use of reactive process regulators in polymerisation processes at industrial site (inclusion or not into/onto article)
Contributing activity / technique for workersopen allclose all
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 5: Mixing or blending in batch processes
Process category (PROC):
PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Process category (PROC):
PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
Product category used:
PC 15: Non-metal-surface treatment products
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
SU 11: Manufacture of rubber products
SU 12: Manufacture of plastics products, including compounding and conversion
SU 13: Manufacture of other non-metallic mineral products, e.g. plasters, cement
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no

Uses at industrial sites

Registration/ Notification status for the use:
use registered according to REACH Article 10; total tonnage manufactured/imported >=10tonnes/year per registrant
Contributing activity / technique for the environment
Name of activity / technique:
Industrial use of non-metal surface treatment- In situ treatment Polymer matrix
Environmental release category (ERC):
ERC5: Use at industrial site leading to inclusion into/onto article
Contributing activity / technique for workersopen allclose all
Name of activity / technique:
Mixing or blending in batch processes
Process category (PROC):
PROC 5: Mixing or blending in batch processes
Name of activity / technique:
Transfer of substance or mixture (charging/discharging) at non dedicated-facilities
Process category (PROC):
PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
Name of activity / technique:
Transfer of substance or mixture (charging/discharging) at dedicated facilities
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Product category used:
PC 15: Non-metal-surface treatment products
Sector of end use:
SU 11: Manufacture of rubber products
SU 12: Manufacture of plastics products, including compounding and conversion
Subsequent service life relevant for this use:
yes
Related assessment:
use assessed in a joint CSR

Uses at industrial sites

Contributing activity / technique for the environment
Environmental release category (ERC):
ERC6b: Use of reactive processing aid at industrial site (no inclusion into or onto article)
ERC6d: Use of reactive process regulators in polymerisation processes at industrial site (inclusion or not into/onto article)
Contributing activity / technique for workers
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
PROC 5: Mixing or blending in batch processes
PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Product category used:
PC 15: Non-metal-surface treatment products
Sector of end use:
SU 0: Other: SU 3: industrial use
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no

Uses at industrial sites

Contributing activity / technique for the environment
Environmental release category (ERC):
ERC6b: Use of reactive processing aid at industrial site (no inclusion into or onto article)
ERC6d: Use of reactive process regulators in polymerisation processes at industrial site (inclusion or not into/onto article)
Contributing activity / technique for workers
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
PROC 5: Mixing or blending in batch processes
PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Product category used:
PC 15: Non-metal-surface treatment products
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no

Uses at industrial sites

Registration/ Notification status for the use:
use registered according to REACH Article 10; total tonnage manufactured/imported >=10tonnes/year per registrant
Contributing activity / technique for the environmentopen allclose all
Name of activity / technique:
Processing aid in polymerisation processes (on-site)
Environmental release category (ERC):
ERC6a: Use of intermediate
Name of activity / technique:
Processing aid in polymerisation processes (on-site)
Environmental release category (ERC):
ERC6b: Use of reactive processing aid at industrial site (no inclusion into or onto article)
Contributing activity / technique for workersopen allclose all
Name of activity / technique:
Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Name of activity / technique:
Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
Name of activity / technique:
Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment condition
Process category (PROC):
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
Name of activity / technique:
Transfer of substance or mixture (charging/discharging) at dedicated facilities
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Name of activity / technique:
Manual maintenance (cleaning and repair) of machinery
Process category (PROC):
PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
PROC28: Manual maintenance (cleaning and repair) of machinery
Product category used:
PC 20: Products such as ph-regulators, flocculants, precipitants, neutralisation agents
Sector of end use:
SU 12: Manufacture of plastics products, including compounding and conversion
Subsequent service life relevant for this use:
no
Related assessment:
use assessed in a joint CSR

Uses at industrial sites

Contributing activity / technique for the environment
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workersopen allclose all
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Product category used:
PC 19: Intermediate
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no
Related assessment:
use assessed in a joint CSR

Uses at industrial sites

Contributing activity / technique for the environment
Name of activity / technique:
Manufacture and on-site use
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workersopen allclose all
Name of activity / technique:
PROC1
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Name of activity / technique:
PROC2
Process category (PROC):
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
Name of activity / technique:
PROC3
Process category (PROC):
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
Name of activity / technique:
PROC8b
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Name of activity / technique:
PROC9
Process category (PROC):
PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
Product category used:
PC 20: Products such as ph-regulators, flocculants, precipitants, neutralisation agents
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no
Related assessment:
use assessed in a joint CSR

Contributing scenario for the environment (related to workers activities)

Conditions of use for the environment

Amounts used, frequency and duration of use (or from service life)

Conditions and measures related to Biological Sewage Treatment Plant

Biological Sewage Treatment Plant (STP):
yes

Other conditions affecting environmental exposure

Other conditions of use

Releases to waste and the environment

Release to the environment

ReleaseEnvirRepopen allclose all
Release from the site to::
surface water
Release estimation method:
estimated release factor
Release from the site to::
ambient air
Release estimation method:
estimated release factor

Exposure of the environment

PECopen allclose all
Exposed compartment:
freshwater
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
EUSES
Exposed compartment:
sediment (freshwater)
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
EUSES
Exposed compartment:
marine water
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
EUSES
Exposed compartment:
sediment (marine water)
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
EUSES
Exposed compartment:
predators' prey (freshwater)
Exposed compartment:
predators' prey (marine water)
Exposed compartment:
top predators' prey (marine water)
Exposed compartment:
sewage treatment plant
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
EUSES
Exposed compartment:
agricultural soil
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
EUSES
Exposed compartment:
predators' prey (terrestrial)
Exposed compartment:
air

Exposure of humans via the environment

Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
EUSES
ContribScenWorkersRepopen allclose all

Contributing scenario for the workers

Conditions of use for workers

Amounts used (or contained in articles), frequency and duration of use/exposure

Conditions and measures related to personal protection, hygiene and health evaluation

Effectiveness
Route affected:
dermal

Other conditions affecting workers exposure

Place of use:
indoor
Other conditions of use

Exposure of workers

ExpEstopen allclose all
Type of exposure:
inhalation (internal) long-term exposure
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
ECETOC TRA workers v3
Type of exposure:
inhalation (internal) short-term exposure
Type of exposure:
inhalation (external) long-term exposure
Type of exposure:
inhalation (external) short-term exposure
Type of exposure:
dermal (internal) long-term exposure
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
ECETOC TRA workers v3
Type of exposure:
dermal (internal) short-term exposure
Type of exposure:
dermal (external) long-term exposure
Type of exposure:
dermal (external) short-term exposure

Contributing scenario for the workers

Conditions of use for workers

Amounts used (or contained in articles), frequency and duration of use/exposure

Technical and organisational conditions and measures

TechCondRepopen allclose all
Effectiveness
Route affected:
inhalation
Effectiveness
Route affected:
dermal

Conditions and measures related to personal protection, hygiene and health evaluation

Effectiveness
Route affected:
dermal

Other conditions affecting workers exposure

Place of use:
indoor
Other conditions of use

Exposure of workers

ExpEstopen allclose all
Type of exposure:
inhalation (internal) long-term exposure
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
ECETOC TRA workers v3
Type of exposure:
inhalation (internal) short-term exposure
Type of exposure:
inhalation (external) long-term exposure
Type of exposure:
inhalation (external) short-term exposure
Type of exposure:
dermal (internal) long-term exposure
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
ECETOC TRA workers v3
Type of exposure:
dermal (internal) short-term exposure
Type of exposure:
dermal (external) long-term exposure
Type of exposure:
dermal (external) short-term exposure

Contributing scenario for the workers

Conditions of use for workers

Amounts used (or contained in articles), frequency and duration of use/exposure

Technical and organisational conditions and measures

TechCondRepopen allclose all
Effectiveness
Route affected:
inhalation
Effectiveness
Route affected:
dermal

Conditions and measures related to personal protection, hygiene and health evaluation

Effectiveness
Route affected:
dermal

Other conditions affecting workers exposure

Place of use:
indoor
Other conditions of use

Exposure of workers

ExpEstopen allclose all
Type of exposure:
inhalation (internal) long-term exposure
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
ECETOC TRA workers v3
Type of exposure:
inhalation (internal) short-term exposure
Type of exposure:
inhalation (external) long-term exposure
Type of exposure:
inhalation (external) short-term exposure
Type of exposure:
dermal (internal) long-term exposure
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
ECETOC TRA workers v3
Type of exposure:
dermal (internal) short-term exposure
Type of exposure:
dermal (external) long-term exposure
Type of exposure:
dermal (external) short-term exposure

Contributing scenario for the workers

Conditions of use for workers

Amounts used (or contained in articles), frequency and duration of use/exposure

Other conditions

Technical and organisational conditions and measures

TechCondRepopen allclose all
Effectiveness
Route affected:
inhalation
Effectiveness
Route affected:
dermal

Conditions and measures related to personal protection, hygiene and health evaluation

Effectiveness
Route affected:
dermal

Other conditions affecting workers exposure

Place of use:
indoor
Other conditions of use

Exposure of workers

ExpEstopen allclose all
Type of exposure:
inhalation (internal) long-term exposure
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
ECETOC TRA workers v3
Type of exposure:
inhalation (internal) short-term exposure
Type of exposure:
inhalation (external) long-term exposure
Type of exposure:
inhalation (external) short-term exposure
Type of exposure:
dermal (internal) long-term exposure
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
ECETOC TRA workers v3
Type of exposure:
dermal (internal) short-term exposure
Type of exposure:
dermal (external) long-term exposure
Type of exposure:
dermal (external) short-term exposure

Contributing scenario for the workers

Conditions of use for workers

Amounts used (or contained in articles), frequency and duration of use/exposure

Technical and organisational conditions and measures

TechCondRepopen allclose all
Effectiveness
Route affected:
inhalation
Effectiveness
Route affected:
dermal

Conditions and measures related to personal protection, hygiene and health evaluation

Effectiveness
Route affected:
dermal

Other conditions affecting workers exposure

Place of use:
indoor
Other conditions of use

Exposure of workers

ExpEstopen allclose all
Type of exposure:
inhalation (internal) long-term exposure
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
ECETOC TRA workers v3
Type of exposure:
inhalation (internal) short-term exposure
Type of exposure:
inhalation (external) long-term exposure
Type of exposure:
inhalation (external) short-term exposure
Type of exposure:
dermal (internal) long-term exposure
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
ECETOC TRA workers v3
Type of exposure:
dermal (internal) short-term exposure
Type of exposure:
dermal (external) long-term exposure
Type of exposure:
dermal (external) short-term exposure

Uses at industrial sites

Registration/ Notification status for the use:
use registered according to REACH Article 10; total tonnage manufactured/imported >=10tonnes/year per registrant
Contributing activity / technique for the environment
Name of activity / technique:
Industrial use of non-metal surface treatment- direct pre-treatment
Environmental release category (ERC):
ERC6b: Use of reactive processing aid at industrial site (no inclusion into or onto article)
Contributing activity / technique for workersopen allclose all
Name of activity / technique:
Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Name of activity / technique:
Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
Product category used:
PC 15: Non-metal-surface treatment products
Sector of end use:
SU 9: Manufacture of fine chemicals
SU 13: Manufacture of other non-metallic mineral products, e.g. plasters, cement
Subsequent service life relevant for this use:
yes
Related assessment:
use assessed in a joint CSR

Uses at industrial sites

Registration/ Notification status for the use:
use registered according to REACH Article 10; total tonnage manufactured/imported >=10tonnes/year per registrant
Contributing activity / technique for the environment
Environmental release category (ERC):
ERC6b: Use of reactive processing aid at industrial site (no inclusion into or onto article)
Contributing activity / technique for workersopen allclose all
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 5: Mixing or blending in batch processes
Process category (PROC):
PROC 7: Industrial spraying
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Process category (PROC):
PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
Process category (PROC):
PROC 13: Treatment of articles by dipping and pouring
Process category (PROC):
PROC 15: Use as laboratory reagent
Process category (PROC):
PROC 19: Hand-mixing with intimate contact and only PPE available.
Product category used:
PC 14: Metal surface treatment products
PC 15: Non-metal-surface treatment products
PC 21: Laboratory chemicals
PC 33: Semiconductors
Sector of end use:
SU 16: Manufacture of computer, electronic and optical products, electrical equipment
SU 24: Scientific research and development
Substance supplied to that use in form of:
as such
in a mixture
Subsequent service life relevant for this use:
no

Uses at industrial sites

Contributing activity / technique for the environment
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workersopen allclose all
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Product category used:
PC 19: Intermediate
Sector of end use:
SU 9: Manufacture of fine chemicals
Substance supplied to that use in form of:
as such
in a mixture
Subsequent service life relevant for this use:
yes
Related assessment:
use assessed in a joint CSR

Uses at industrial sites

Contributing activity / technique for the environment
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workersopen allclose all
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Product category used:
PC 19: Intermediate
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no

Uses at industrial sites

Registration/ Notification status for the use:
use registered according to REACH Article 10; total tonnage manufactured/imported >=10tonnes/year per registrant
Contributing activity / technique for the environment
Name of activity / technique:
Use of HMDZ as a surface treatment agent
Environmental release category (ERC):
ERC6b: Use of reactive processing aid at industrial site (no inclusion into or onto article)
ERC6d: Use of reactive process regulators in polymerisation processes at industrial site (inclusion or not into/onto article)
Contributing activity / technique for workers
Name of activity / technique:
Use of HMDZ as a surface treatment agent
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
PROC 5: Mixing or blending in batch processes
PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Product category used:
PC 15: Non-metal-surface treatment products
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
SU 11: Manufacture of rubber products
SU 12: Manufacture of plastics products, including compounding and conversion
SU 13: Manufacture of other non-metallic mineral products, e.g. plasters, cement
Substance supplied to that use in form of:
in a mixture
Subsequent service life relevant for this use:
no
Related assessment:
use assessed in a joint CSR

Uses at industrial sites

Registration/ Notification status for the use:
use registered according to REACH Article 10; total tonnage manufactured/imported <10tonnes/year per registrant
Contributing activity / technique for the environment
Name of activity / technique:
In-situ non metal surface treatment
Environmental release category (ERC):
ERC5: Use at industrial site leading to inclusion into/onto article
Contributing activity / technique for workersopen allclose all
Name of activity / technique:
Use in closed process, no likelihood of exposure
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Name of activity / technique:
Use in closed, continuous process with occasional controlled exposure
Process category (PROC):
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
Name of activity / technique:
Use in closed batch process (synthesis or formulation)
Process category (PROC):
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
Name of activity / technique:
Mixing or blending in batch processes for formulation of preparations and articles (multistage and/or significant contact)
Process category (PROC):
PROC 5: Mixing or blending in batch processes
Name of activity / technique:
Chemical production where opportunity for exposure arises
Process category (PROC):
PROC 4: Chemical production where opportunity for exposure arises
Name of activity / technique:
Transfer of substance or preparation (charging/discharging) from/to vessels/large containers at dedicated facilities
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Name of activity / technique:
Transfer of substance or mixture at non-dedicated facilities
Process category (PROC):
PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
Name of activity / technique:
Transfer of substance or preparation into small containers (dedicated filling line, including weighing)
Process category (PROC):
PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
Product category used:
PC 15: Non-metal-surface treatment products
Sector of end use:
SU 9: Manufacture of fine chemicals
SU 11: Manufacture of rubber products
SU 12: Manufacture of plastics products, including compounding and conversion
SU 13: Manufacture of other non-metallic mineral products, e.g. plasters, cement
Substance supplied to that use in form of:
in a mixture
Subsequent service life relevant for this use:
no

Uses at industrial sites

Registration/ Notification status for the use:
use registered according to REACH Article 10; total tonnage manufactured/imported >=10tonnes/year per registrant
Contributing activity / technique for the environment
Name of activity / technique:
Use as an intermediate
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workersopen allclose all
Name of activity / technique:
Transfer of substance or mixture (charging/discharging) at dedicated facilities
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Name of activity / technique:
Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Name of activity / technique:
Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
Name of activity / technique:
Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment condition
Process category (PROC):
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
Name of activity / technique:
Equipment cleaning and maintenance
Process category (PROC):
PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
PROC28: Manual maintenance (cleaning and repair) of machinery
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
Subsequent service life relevant for this use:
no
Related assessment:
use assessed in a joint CSR

Uses at industrial sites

Contributing activity / technique for the environmentopen allclose all
Environmental release category (ERC):
ERC6a: Use of intermediate
Environmental release category (ERC):
ERC6d: Use of reactive process regulators in polymerisation processes at industrial site (inclusion or not into/onto article)
Contributing activity / technique for workersopen allclose all
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 5: Mixing or blending in batch processes
Process category (PROC):
PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Process category (PROC):
PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
Product category used:
PC 15: Non-metal-surface treatment products
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
SU 11: Manufacture of rubber products
SU 12: Manufacture of plastics products, including compounding and conversion
SU 13: Manufacture of other non-metallic mineral products, e.g. plasters, cement
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no
Related assessment:
use assessed in a joint CSR

Uses at industrial sites

Contributing activity / technique for the environmentopen allclose all
Environmental release category (ERC):
ERC6b: Use of reactive processing aid at industrial site (no inclusion into or onto article)
Environmental release category (ERC):
ERC6d: Use of reactive process regulators in polymerisation processes at industrial site (inclusion or not into/onto article)
Contributing activity / technique for workersopen allclose all
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 5: Mixing or blending in batch processes
Process category (PROC):
PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Process category (PROC):
PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
Product category used:
PC 15: Non-metal-surface treatment products
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
SU 11: Manufacture of rubber products
SU 12: Manufacture of plastics products, including compounding and conversion
Substance supplied to that use in form of:
as such
in a mixture
Subsequent service life relevant for this use:
yes
Related assessment:
use assessed in a joint CSR

Uses at industrial sites

Registration/ Notification status for the use:
use registered according to REACH Article 10; total tonnage manufactured/imported >=10tonnes/year per registrant

Referenceopen allclose all

Name:
1,1,1,3,3,3-Hexamethyldisilazane
Type of composition:
legal entity composition of the substance
State / form:
liquid
>= 98 - < 100 % (w/w)
Reference substance:
1,1,1,3,3,3-Hexamethyldisilazane
Reference substance:
1,1,1,3,3,3-Hexamethyldisilazane
This impurity is considered relevant for the classification and labelling of the substance
Name:
1,1,1,3,3,3-Hexamethyldisilazane
Type of composition:
legal entity composition of the substance
State / form:
liquid
>= 94 - <= 100 % (w/w)
Reference substance:
1,1,1,3,3,3-Hexamethyldisilazane
Reference substance:
1,1,1,3,3,3-Hexamethyldisilazane
This impurity is considered relevant for the classification and labelling of the substance
Name:
1,1,1,3,3,3-Hexamethyldisilazane
Type of composition:
legal entity composition of the substance
State / form:
liquid
Reference substance:
1,1,1,3,3,3-Hexamethyldisilazane
Contributing activity / technique for the environment
Name of activity / technique:
Use as an intermediate; Manufacturing site; Higher tier conditions of use
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workersopen allclose all
Name of activity / technique:
Use as an intermediate; Manufacturing site; Higher tier conditions of use
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Name of activity / technique:
Use as an intermediate; Manufacturing site; Higher tier conditions of use
Process category (PROC):
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
Name of activity / technique:
Use as an intermediate; Manufacturing site; Higher tier conditions of use
Process category (PROC):
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
Name of activity / technique:
Use as an intermediate; Manufacturing site; Higher tier conditions of use
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Name of activity / technique:
Use as an intermediate; Manufacturing site; Higher tier conditions of use
Process category (PROC):
PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
PROC28: Manual maintenance (cleaning and repair) of machinery
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no
Related assessment:
use assessed in a joint CSR

Uses at industrial sites

Contributing activity / technique for the environment
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workers
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
PROC 13: Treatment of articles by dipping and pouring
Product category used:
PC 33: Semiconductors
Sector of end use:
SU 16: Manufacture of computer, electronic and optical products, electrical equipment
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no

Uses at industrial sites

Contributing activity / technique for workersopen allclose all
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Process category (PROC):
PROC 13: Treatment of articles by dipping and pouring
Sector of end use:
SU 16: Manufacture of computer, electronic and optical products, electrical equipment

Uses at industrial sites

Contributing activity / technique for workersopen allclose all
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Product category used:
PC 19: Intermediate
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no
Related assessment:
use assessed in a joint CSR

Uses at industrial sites

Contributing activity / technique for the environmentopen allclose all
Environmental release category (ERC):
ERC6a: Use of intermediate
Environmental release category (ERC):
ERC6d: Use of reactive process regulators in polymerisation processes at industrial site (inclusion or not into/onto article)
Contributing activity / technique for workersopen allclose all
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 5: Mixing or blending in batch processes
Process category (PROC):
PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Process category (PROC):
PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
Product category used:
PC 15: Non-metal-surface treatment products
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
SU 11: Manufacture of rubber products
SU 12: Manufacture of plastics products, including compounding and conversion
SU 13: Manufacture of other non-metallic mineral products, e.g. plasters, cement
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no

Uses at industrial sites

Contributing activity / technique for the environmentopen allclose all
Environmental release category (ERC):
ERC6b: Use of reactive processing aid at industrial site (no inclusion into or onto article)
Environmental release category (ERC):
ERC6d: Use of reactive process regulators in polymerisation processes at industrial site (inclusion or not into/onto article)
Contributing activity / technique for workersopen allclose all
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 5: Mixing or blending in batch processes
Process category (PROC):
PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Process category (PROC):
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
Product category used:
PC 15: Non-metal-surface treatment products
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
SU 11: Manufacture of rubber products
SU 12: Manufacture of plastics products, including compounding and conversion
SU 13: Manufacture of other non-metallic mineral products, e.g. plasters, cement
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no

Uses at industrial sites

Contributing activity / technique for the environment
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workersopen allclose all
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Process category (PROC):
PROC 13: Treatment of articles by dipping and pouring
Product category used:
PC 33: Semiconductors
Sector of end use:
SU 16: Manufacture of computer, electronic and optical products, electrical equipment
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no

Uses at industrial sites

Contributing activity / technique for the environment
Environmental release category (ERC):
ERC6b: Use of reactive processing aid at industrial site (no inclusion into or onto article)
Contributing activity / technique for workersopen allclose all
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Process category (PROC):
PROC 13: Treatment of articles by dipping and pouring
Product category used:
PC 33: Semiconductors
Sector of end use:
SU 16: Manufacture of computer, electronic and optical products, electrical equipment
Substance supplied to that use in form of:
as such
in a mixture
Subsequent service life relevant for this use:
yes
Related assessment:
use assessed in a joint CSR

Uses at industrial sites

Registration/ Notification status for the use:
use registered according to REACH Article 10; total tonnage manufactured/imported >=10tonnes/year per registrant

Referenceopen allclose all

Name:
1,1,1,3,3,3-Hexamethyldisilazane
Type of composition:
legal entity composition of the substance
State / form:
liquid
>= 94 - <= 100 % (w/w)
Reference substance:
1,1,1,3,3,3-Hexamethyldisilazane
Reference substance:
1,1,1,3,3,3-Hexamethyldisilazane
This impurity is considered relevant for the classification and labelling of the substance
Name:
1,1,1,3,3,3-Hexamethyldisilazane
Type of composition:
legal entity composition of the substance
State / form:
liquid
>= 98 - < 100 % (w/w)
Reference substance:
1,1,1,3,3,3-Hexamethyldisilazane
Reference substance:
1,1,1,3,3,3-Hexamethyldisilazane
This impurity is considered relevant for the classification and labelling of the substance
Name:
1,1,1,3,3,3-Hexamethyldisilazane
Type of composition:
legal entity composition of the substance
State / form:
liquid
Reference substance:
1,1,1,3,3,3-Hexamethyldisilazane
Contributing activity / technique for the environment
Name of activity / technique:
Use as a laboratory reagent; Use as non-reactive processing aid
Environmental release category (ERC):
ERC4: Use of non-reactive processing aid at industrial site (no inclusion into or onto article)
Contributing activity / technique for workers
Name of activity / technique:
Use as a laboratory reagent; Use as non-reactive processing aid
Process category (PROC):
PROC 15: Use as laboratory reagent
Product category used:
PC 21: Laboratory chemicals
Sector of end use:
SU 24: Scientific research and development
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no
Related assessment:
use assessed in a joint CSR

Uses at industrial sites

Registration/ Notification status for the use:
use registered according to REACH Article 10; total tonnage manufactured/imported >=10tonnes/year per registrant
Reference
Name:
1,1,1,3,3,3-Hexamethyldisilazane
Type of composition:
legal entity composition of the substance
State / form:
liquid
Reference substance:
1,1,1,3,3,3-Hexamethyldisilazane
Contributing activity / technique for the environment
Name of activity / technique:
Industrial use of non-metal surface treatment- direct pre-treatment
Environmental release category (ERC):
ERC6b: Use of reactive processing aid at industrial site (no inclusion into or onto article)
Contributing activity / technique for workersopen allclose all
Name of activity / technique:
Industrial use of non-metal surface treatment- direct pre-treatment
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Name of activity / technique:
Industrial use of non-metal surface treatment- direct pre-treatment
Process category (PROC):
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
Product category used:
PC 15: Non-metal-surface treatment products
Sector of end use:
SU 9: Manufacture of fine chemicals
SU 13: Manufacture of other non-metallic mineral products, e.g. plasters, cement
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
yes
Related assessment:
use assessed in a joint CSR

Uses at industrial sites

Registration/ Notification status for the use:
use registered according to REACH Article 10; total tonnage manufactured/imported >=10tonnes/year per registrant
Contributing activity / technique for the environment
Name of activity / technique:
Use as a processing aid in polymerisation processes
Environmental release category (ERC):
ERC6b: Use of reactive processing aid at industrial site (no inclusion into or onto article)
Contributing activity / technique for workers
Name of activity / technique:
Use as a processing aid in polymerisation processes
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Product category used:
PC 20: Products such as ph-regulators, flocculants, precipitants, neutralisation agents
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no
Related assessment:
use assessed in a joint CSR

Uses at industrial sites

Contributing activity / technique for workers
Process category (PROC):
PROC 15: Use as laboratory reagent
Product category used:
PC 21: Laboratory chemicals
Sector of end use:
SU 0: Other: NACE Code M71.2: Technical testing and analysis
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no

Uses at industrial sites

Registration/ Notification status for the use:
use registered according to REACH Article 10; total tonnage manufactured/imported >=10tonnes/year per registrant
Contributing activity / technique for the environment
Environmental release category (ERC):
ERC6b: Use of reactive processing aid at industrial site (no inclusion into or onto article)
Contributing activity / technique for workersopen allclose all
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 5: Mixing or blending in batch processes
Process category (PROC):
PROC 7: Industrial spraying
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Process category (PROC):
PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
Process category (PROC):
PROC 13: Treatment of articles by dipping and pouring
Process category (PROC):
PROC 15: Use as laboratory reagent
Process category (PROC):
PROC 19: Hand-mixing with intimate contact and only PPE available.
Product category used:
PC 15: Non-metal-surface treatment products
PC 21: Laboratory chemicals
PC 33: Semiconductors
Sector of end use:
SU 13: Manufacture of other non-metallic mineral products, e.g. plasters, cement
SU 16: Manufacture of computer, electronic and optical products, electrical equipment
SU 24: Scientific research and development
Substance supplied to that use in form of:
as such
in a mixture
Subsequent service life relevant for this use:
no

Uses at industrial sites

Registration/ Notification status for the use:
use registered according to REACH Article 10; total tonnage manufactured/imported >=10tonnes/year per registrant
Contributing activity / technique for the environment
Name of activity / technique:
Industrial application of coatings and inks
Environmental release category (ERC):
ERC6b: Use of reactive processing aid at industrial site (no inclusion into or onto article)
Contributing activity / technique for workersopen allclose all
Name of activity / technique:
General exposures; Closed systems
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Name of activity / technique:
Drum/batch transfers; Dedicated facility
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Name of activity / technique:
Filling of articles/equipment
Process category (PROC):
PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
Name of activity / technique:
Dipping, immersion and pouring
Process category (PROC):
PROC 13: Treatment of articles by dipping and pouring
Name of activity / technique:
Equipment cleaning and maintenance
Process category (PROC):
PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
PROC28: Manual maintenance (cleaning and repair) of machinery
Product category used:
PC 9a: Coatings and paints, thinners, paint removes
PC 33: Semiconductors
Sector of end use:
SU 16: Manufacture of computer, electronic and optical products, electrical equipment
Subsequent service life relevant for this use:
no
Related assessment:
use assessed in a joint CSR

Uses at industrial sites

Contributing activity / technique for the environment
Name of activity / technique:
Use of intermediate
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workers
Name of activity / technique:
PROC15
Process category (PROC):
PROC 15: Use as laboratory reagent
Product category used:
PC 21: Laboratory chemicals
Sector of end use:
SU 24: Scientific research and development
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no
Related assessment:
use assessed in a joint CSR

Contributing scenario for the environment (related to workers activities)

Contributing scenario for the workers

Conditions of use for workers

Amounts used (or contained in articles), frequency and duration of use/exposure

Technical and organisational conditions and measures

TechCondRepopen allclose all
Effectiveness
Route affected:
inhalation
Effectiveness
Route affected:
dermal

Conditions and measures related to personal protection, hygiene and health evaluation

Effectiveness
Route affected:
dermal

Other conditions affecting workers exposure

Place of use:
indoor
Other conditions of use

Exposure of workers

ExpEstopen allclose all
Type of exposure:
inhalation (internal) long-term exposure
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
ECETOC TRA workers v3
Type of exposure:
inhalation (internal) short-term exposure
Type of exposure:
inhalation (external) long-term exposure
Type of exposure:
inhalation (external) short-term exposure
Type of exposure:
dermal (internal) long-term exposure
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
ECETOC TRA workers v3
Type of exposure:
dermal (internal) short-term exposure
Type of exposure:
dermal (external) long-term exposure
Type of exposure:
dermal (external) short-term exposure

Uses at industrial sites

Contributing activity / technique for the environment
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workers
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
Substance supplied to that use in form of:
as such
in a mixture
Subsequent service life relevant for this use:
no

Uses at industrial sites

Registration/ Notification status for the use:
use registered according to REACH Article 10; total tonnage manufactured/imported <10tonnes/year per registrant
Contributing activity / technique for the environment
Environmental release category (ERC):
ERC6b: Use of reactive processing aid at industrial site (no inclusion into or onto article)
Contributing activity / technique for workers
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
Product category used:
PC 33: Semiconductors
Sector of end use:
SU 16: Manufacture of computer, electronic and optical products, electrical equipment
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no

Uses at industrial sites

Contributing activity / technique for the environment
Environmental release category (ERC):
ERC6b: Use of reactive processing aid at industrial site (no inclusion into or onto article)
ERC6d: Use of reactive process regulators in polymerisation processes at industrial site (inclusion or not into/onto article)
Contributing activity / technique for workers
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
PROC 5: Mixing or blending in batch processes
PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
Product category used:
PC 15: Non-metal-surface treatment products
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
SU 11: Manufacture of rubber products
SU 12: Manufacture of plastics products, including compounding and conversion
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no

Uses at industrial sites

Contributing activity / technique for the environment
Environmental release category (ERC):
ERC6b: Use of reactive processing aid at industrial site (no inclusion into or onto article)
Contributing activity / technique for workers
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
PROC 13: Treatment of articles by dipping and pouring
Product category used:
PC 33: Semiconductors
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no

Uses at industrial sites

Contributing activity / technique for the environment
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workers
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
PROC 13: Treatment of articles by dipping and pouring
Product category used:
PC 33: Semiconductors
Sector of end use:
SU 16: Manufacture of computer, electronic and optical products, electrical equipment
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no

Uses at industrial sites

Contributing activity / technique for the environment
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workersopen allclose all
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Product category used:
PC 19: Intermediate
Sector of end use:
SU 9: Manufacture of fine chemicals
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no

Uses at industrial sites

Registration/ Notification status for the use:
use registered according to REACH Article 10; total tonnage manufactured/imported >=10tonnes/year per registrant
Reference
Name:
1,1,1,3,3,3-Hexamethyldisilazane
Type of composition:
legal entity composition of the substance
State / form:
liquid
Reference substance:
1,1,1,3,3,3-Hexamethyldisilazane
Contributing activity / technique for the environment
Name of activity / technique:
Industrial use of non-metal surface treatment - In situ treatment
Environmental release category (ERC):
ERC5: Use at industrial site leading to inclusion into/onto article
Contributing activity / technique for workersopen allclose all
Name of activity / technique:
Industrial use of non-metal surface treatment - In situ treatment
Process category (PROC):
PROC 5: Mixing or blending in batch processes
Name of activity / technique:
Industrial use of non-metal surface treatment - In situ treatment
Process category (PROC):
PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
Name of activity / technique:
Industrial use of non-metal surface treatment - In situ treatment
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Product category used:
PC 15: Non-metal-surface treatment products
Sector of end use:
SU 11: Manufacture of rubber products
SU 12: Manufacture of plastics products, including compounding and conversion
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
yes
Related assessment:
use assessed in a joint CSR

Uses at industrial sites

Registration/ Notification status for the use:
use registered according to REACH Article 10; total tonnage manufactured/imported >=10tonnes/year per registrant
Contributing activity / technique for the environment
Name of activity / technique:
Use as laboratory reagent
Environmental release category (ERC):
ERC4: Use of non-reactive processing aid at industrial site (no inclusion into or onto article)
Contributing activity / technique for workers
Name of activity / technique:
Use as laboratory reagent
Process category (PROC):
PROC 15: Use as laboratory reagent
Product category used:
PC 21: Laboratory chemicals
Sector of end use:
SU 24: Scientific research and development
Subsequent service life relevant for this use:
no
Related assessment:
use assessed in a joint CSR

Uses at industrial sites

Contributing activity / technique for the environmentopen allclose all
Environmental release category (ERC):
ERC6a: Use of intermediate
Environmental release category (ERC):
ERC6d: Use of reactive process regulators in polymerisation processes at industrial site (inclusion or not into/onto article)
Contributing activity / technique for workersopen allclose all
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 5: Mixing or blending in batch processes
Process category (PROC):
PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Process category (PROC):
PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
Product category used:
PC 15: Non-metal-surface treatment products
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
SU 11: Manufacture of rubber products
SU 12: Manufacture of plastics products, including compounding and conversion
SU 13: Manufacture of other non-metallic mineral products, e.g. plasters, cement
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no

Uses at industrial sites

Contributing activity / technique for the environment
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workersopen allclose all
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Process category (PROC):
PROC 15: Use as laboratory reagent
Product category used:
PC 19: Intermediate
Sector of end use:
SU 9: Manufacture of fine chemicals
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no

Uses at industrial sites

Contributing activity / technique for the environment
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workersopen allclose all
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Product category used:
PC 0: Other: PC 19: intermediate
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
SU 0: Other: SU 3: Industrial use
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no

Uses at industrial sites

Contributing activity / technique for the environment
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workers
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Sector of end use:
SU 9: Manufacture of fine chemicals
Substance supplied to that use in form of:
in a mixture
Subsequent service life relevant for this use:
no

Uses at industrial sites

Contributing activity / technique for the environment
Environmental release category (ERC):
ERC6b: Use of reactive processing aid at industrial site (no inclusion into or onto article)
Contributing activity / technique for workers
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
PROC 13: Treatment of articles by dipping and pouring
Product category used:
PC 33: Semiconductors
Sector of end use:
SU 16: Manufacture of computer, electronic and optical products, electrical equipment
Substance supplied to that use in form of:
in a mixture
Subsequent service life relevant for this use:
no

Uses at industrial sites

Contributing activity / technique for the environment
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workers
Process category (PROC):
PROC 15: Use as laboratory reagent
Product category used:
PC 21: Laboratory chemicals
Sector of end use:
SU 24: Scientific research and development
Substance supplied to that use in form of:
in a mixture
Subsequent service life relevant for this use:
no

Uses at industrial sites

Contributing activity / technique for workers
Process category (PROC):
PROC 15: Use as laboratory reagent
Sector of end use:
SU 24: Scientific research and development

Uses at industrial sites

Contributing activity / technique for the environment
Environmental release category (ERC):
ERC6b: Use of reactive processing aid at industrial site (no inclusion into or onto article)
Contributing activity / technique for workers
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no

Uses at industrial sites

Registration/ Notification status for the use:
use registered according to REACH Article 10; total tonnage manufactured/imported >=10tonnes/year per registrant
Reference
Name:
1,1,1,3,3,3-Hexamethyldisilazane
Type of composition:
legal entity composition of the substance
State / form:
liquid
Reference substance:
1,1,1,3,3,3-Hexamethyldisilazane
Contributing activity / technique for the environmentopen allclose all
Name of activity / technique:
Processing aid in polymerisation processes (on-site)
Environmental release category (ERC):
ERC6a: Use of intermediate
Name of activity / technique:
Processing aid in polymerisation processes (on-site)
Environmental release category (ERC):
ERC6b: Use of reactive processing aid at industrial site (no inclusion into or onto article)
Contributing activity / technique for workersopen allclose all
Name of activity / technique:
Processing aid in polymerisation processes (on-site)
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Name of activity / technique:
Processing aid in polymerisation processes (on-site)
Process category (PROC):
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
Name of activity / technique:
Processing aid in polymerisation processes (on-site)
Process category (PROC):
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
Name of activity / technique:
Processing aid in polymerisation processes (on-site)
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Name of activity / technique:
Processing aid in polymerisation processes (on-site)
Process category (PROC):
PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
PROC28: Manual maintenance (cleaning and repair) of machinery
Product category used:
PC 20: Products such as ph-regulators, flocculants, precipitants, neutralisation agents
Sector of end use:
SU 12: Manufacture of plastics products, including compounding and conversion
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no
Related assessment:
use assessed in a joint CSR

Uses at industrial sites

Contributing activity / technique for the environment
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workers
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Product category used:
PC 0: Other: Intermediate
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no

Uses at industrial sites

Contributing activity / technique for workersopen allclose all
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Process category (PROC):
PROC 13: Treatment of articles by dipping and pouring
Product category used:
PC 33: Semiconductors
Sector of end use:
SU 16: Manufacture of computer, electronic and optical products, electrical equipment
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no
Related assessment:
use assessed in a joint CSR

Uses at industrial sites

Contributing activity / technique for the environment
Name of activity / technique:
Use as a non-metal surface treatment agent
Environmental release category (ERC):
ERC6b: Use of reactive processing aid at industrial site (no inclusion into or onto article)
ERC6d: Use of reactive process regulators in polymerisation processes at industrial site (inclusion or not into/onto article)
Contributing activity / technique for workersopen allclose all
Name of activity / technique:
PROC1
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Name of activity / technique:
PROC2
Process category (PROC):
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
Name of activity / technique:
PROC3
Process category (PROC):
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
Name of activity / technique:
PROC5
Process category (PROC):
PROC 5: Mixing or blending in batch processes
Name of activity / technique:
PROC8a
Process category (PROC):
PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
Name of activity / technique:
PROC8b
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Product category used:
PC 15: Non-metal-surface treatment products
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
SU 11: Manufacture of rubber products
SU 12: Manufacture of plastics products, including compounding and conversion
SU 13: Manufacture of other non-metallic mineral products, e.g. plasters, cement
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no
Related assessment:
use assessed in a joint CSR

Contributing scenario for the environment (related to workers activities)

Conditions of use for the environment

Product (article) characteristic

Amounts used, frequency and duration of use (or from service life)

Conditions and measures related to Biological Sewage Treatment Plant

Biological Sewage Treatment Plant (STP):
yes

Other conditions affecting environmental exposure

Releases to waste and the environment

Release to the environment

ReleaseEnvirRepopen allclose all
Release from the site to::
surface water
Release estimation method:
measured release rate
Remarks:
OECD ESD on plastic additives
Release from the site to::
ambient air
Release estimation method:
measured release rate
Remarks:
OECD ESD on plastic additives

Release to external waste

Exposure of the environment

PECopen allclose all
Exposed compartment:
freshwater
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
EUSES
Exposed compartment:
sediment (freshwater)
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
EUSES
Exposed compartment:
marine water
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
EUSES
Exposed compartment:
sediment (marine water)
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
EUSES
Exposed compartment:
predators' prey (freshwater)
Exposed compartment:
predators' prey (marine water)
Exposed compartment:
top predators' prey (marine water)
Exposed compartment:
sewage treatment plant
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
EUSES
Exposed compartment:
agricultural soil
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
EUSES
Exposed compartment:
predators' prey (terrestrial)
Exposed compartment:
air

Exposure of humans via the environment

Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
EUSES
ContribScenWorkersRepopen allclose all

Contributing scenario for the workers

Conditions of use for workers

Amounts used (or contained in articles), frequency and duration of use/exposure

Conditions and measures related to personal protection, hygiene and health evaluation

Effectiveness
Route affected:
dermal

Other conditions affecting workers exposure

Place of use:
indoor
Other conditions of use

Exposure of workers

ExpEstopen allclose all
Type of exposure:
inhalation (internal) long-term exposure
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
ECETOC TRA workers
Type of exposure:
inhalation (internal) short-term exposure
Type of exposure:
inhalation (external) long-term exposure
Type of exposure:
inhalation (external) short-term exposure
Type of exposure:
dermal (internal) long-term exposure
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
ECETOC TRA workers
Type of exposure:
dermal (internal) short-term exposure
Type of exposure:
dermal (external) long-term exposure
Type of exposure:
dermal (external) short-term exposure

Contributing scenario for the workers

Conditions of use for workers

Amounts used (or contained in articles), frequency and duration of use/exposure

Technical and organisational conditions and measures

TechCondRepopen allclose all
Effectiveness
Route affected:
dermal
Effectiveness
Route affected:
inhalation

Conditions and measures related to personal protection, hygiene and health evaluation

Effectiveness
Route affected:
dermal

Other conditions affecting workers exposure

Place of use:
indoor
Other conditions of use

Exposure of workers

ExpEstopen allclose all
Type of exposure:
inhalation (internal) long-term exposure
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
ECETOC TRA workers v3
Type of exposure:
inhalation (internal) short-term exposure
Type of exposure:
inhalation (external) long-term exposure
Type of exposure:
inhalation (external) short-term exposure
Type of exposure:
dermal (internal) long-term exposure
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
ECETOC TRA workers v3
Type of exposure:
dermal (internal) short-term exposure
Type of exposure:
dermal (external) long-term exposure
Type of exposure:
dermal (external) short-term exposure

Contributing scenario for the workers

Conditions of use for workers

Amounts used (or contained in articles), frequency and duration of use/exposure

Technical and organisational conditions and measures

TechCondRepopen allclose all
Effectiveness
Route affected:
inhalation
Effectiveness
Route affected:
dermal

Conditions and measures related to personal protection, hygiene and health evaluation

Effectiveness
Route affected:
dermal

Other conditions affecting workers exposure

Place of use:
indoor
Other conditions of use

Exposure of workers

ExpEstopen allclose all
Type of exposure:
inhalation (internal) long-term exposure
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
ECETOC TRA workers v3
Type of exposure:
inhalation (internal) short-term exposure
Type of exposure:
inhalation (external) long-term exposure
Type of exposure:
inhalation (external) short-term exposure
Type of exposure:
dermal (internal) long-term exposure
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
ECETOC TRA workers v3
Type of exposure:
dermal (internal) short-term exposure
Type of exposure:
dermal (external) long-term exposure
Type of exposure:
dermal (external) short-term exposure

Contributing scenario for the workers

Conditions of use for workers

Amounts used (or contained in articles), frequency and duration of use/exposure

Technical and organisational conditions and measures

TechCondRepopen allclose all
Effectiveness
Route affected:
inhalation
Effectiveness
Route affected:
dermal

Conditions and measures related to personal protection, hygiene and health evaluation

Effectiveness
Route affected:
dermal

Other conditions affecting workers exposure

Place of use:
indoor

Exposure of workers

ExpEstopen allclose all
Type of exposure:
inhalation (internal) long-term exposure
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
ECETOC TRA workers v3
Type of exposure:
inhalation (internal) short-term exposure
Type of exposure:
inhalation (external) long-term exposure
Type of exposure:
inhalation (external) short-term exposure
Type of exposure:
dermal (internal) long-term exposure
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
ECETOC TRA workers v3
Type of exposure:
dermal (internal) short-term exposure
Type of exposure:
dermal (external) long-term exposure
Type of exposure:
dermal (external) short-term exposure

Contributing scenario for the workers

Conditions of use for workers

Amounts used (or contained in articles), frequency and duration of use/exposure

Other conditions

Technical and organisational conditions and measures

TechCondRepopen allclose all
Effectiveness
Route affected:
inhalation
Effectiveness
Route affected:
dermal

Conditions and measures related to personal protection, hygiene and health evaluation

Effectiveness
Route affected:
dermal

Other conditions affecting workers exposure

Place of use:
indoor

Exposure of workers

ExpEstopen allclose all
Type of exposure:
inhalation (internal) long-term exposure
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
ECETOC TRA workers v3
Type of exposure:
inhalation (internal) short-term exposure
Type of exposure:
inhalation (external) long-term exposure
Type of exposure:
inhalation (external) short-term exposure
Type of exposure:
dermal (internal) long-term exposure
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
ECETOC TRA workers v3
Type of exposure:
dermal (internal) short-term exposure
Type of exposure:
dermal (external) long-term exposure
Type of exposure:
dermal (external) short-term exposure

Contributing scenario for the workers

Conditions of use for workers

Amounts used (or contained in articles), frequency and duration of use/exposure

Technical and organisational conditions and measures

Technical and organisational conditions
Effectiveness
Route affected:
inhalation

Other conditions affecting workers exposure

Place of use:
indoor

Exposure of workers

ExpEstopen allclose all
Type of exposure:
inhalation (internal) long-term exposure
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
ECETOC TRA workers v3
Type of exposure:
inhalation (internal) short-term exposure
Type of exposure:
inhalation (external) long-term exposure
Type of exposure:
inhalation (external) short-term exposure
Type of exposure:
dermal (internal) long-term exposure
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
ECETOC TRA workers v3
Type of exposure:
dermal (internal) short-term exposure
Type of exposure:
dermal (external) long-term exposure
Type of exposure:
dermal (external) short-term exposure

Uses at industrial sites

Contributing activity / technique for the environment
Environmental release category (ERC):
ERC6b: Use of reactive processing aid at industrial site (no inclusion into or onto article)
Contributing activity / technique for workers
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
PROC 13: Treatment of articles by dipping and pouring
Product category used:
PC 33: Semiconductors
Sector of end use:
SU 16: Manufacture of computer, electronic and optical products, electrical equipment
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
yes

Uses at industrial sites

Contributing activity / technique for workers
Process category (PROC):
PROC 15: Use as laboratory reagent
Product category used:
PC 21: Laboratory chemicals
Sector of end use:
SU 24: Scientific research and development
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no
Related assessment:
use assessed in a joint CSR

Uses at industrial sites

Contributing activity / technique for workersopen allclose all
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 5: Mixing or blending in batch processes
Process category (PROC):
PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Process category (PROC):
PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
SU 11: Manufacture of rubber products
SU 12: Manufacture of plastics products, including compounding and conversion
SU 13: Manufacture of other non-metallic mineral products, e.g. plasters, cement
Substance supplied to that use in form of:
as such

Uses at industrial sites

Contributing activity / technique for the environment
Environmental release category (ERC):
ERC6b: Use of reactive processing aid at industrial site (no inclusion into or onto article)
ERC6d: Use of reactive process regulators in polymerisation processes at industrial site (inclusion or not into/onto article)
Contributing activity / technique for workers
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
PROC 5: Mixing or blending in batch processes
PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Product category used:
PC 15: Non-metal-surface treatment products
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
SU 11: Manufacture of rubber products
SU 12: Manufacture of plastics products, including compounding and conversion
SU 13: Manufacture of other non-metallic mineral products, e.g. plasters, cement
Substance supplied to that use in form of:
in a mixture
Subsequent service life relevant for this use:
no

Uses at industrial sites

Contributing activity / technique for the environment
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workers
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no

Uses at industrial sites

Contributing activity / technique for the environment
Name of activity / technique:
Use in semiconductor manufacture
Environmental release category (ERC):
ERC6b: Use of reactive processing aid at industrial site (no inclusion into or onto article)
Contributing activity / technique for workersopen allclose all
Name of activity / technique:
PROC1
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Name of activity / technique:
PROC8b
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Product category used:
PC 33: Semiconductors
Sector of end use:
SU 16: Manufacture of computer, electronic and optical products, electrical equipment
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no
Related assessment:
use assessed in a joint CSR

Contributing scenario for the environment (related to workers activities)

Conditions of use for the environment

Amounts used, frequency and duration of use (or from service life)

Conditions and measures related to Biological Sewage Treatment Plant

Biological Sewage Treatment Plant (STP):
yes

Other conditions affecting environmental exposure

Releases to waste and the environment

Release to the environment

ReleaseEnvirRepopen allclose all
Release from the site to::
surface water
Release estimation method:
estimated release factor
Release from the site to::
ambient air
Release estimation method:
estimated release factor

Exposure of the environment

PECopen allclose all
Exposed compartment:
freshwater
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
EUSES
Exposed compartment:
sediment (freshwater)
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
EUSES
Exposed compartment:
marine water
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
EUSES
Exposed compartment:
sediment (marine water)
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
EUSES
Exposed compartment:
predators' prey (freshwater)
Exposed compartment:
predators' prey (marine water)
Exposed compartment:
top predators' prey (marine water)
Exposed compartment:
sewage treatment plant
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
EUSES
Exposed compartment:
agricultural soil
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
EUSES
Exposed compartment:
predators' prey (terrestrial)
Exposed compartment:
air

Exposure of humans via the environment

Exposure estimation method:
measured data
ContribScenWorkersRepopen allclose all

Contributing scenario for the workers

Conditions of use for workers

Amounts used (or contained in articles), frequency and duration of use/exposure

Conditions and measures related to personal protection, hygiene and health evaluation

Effectiveness
Route affected:
dermal

Other conditions affecting workers exposure

Place of use:
indoor
Other conditions of use

Exposure of workers

ExpEstopen allclose all
Type of exposure:
inhalation (internal) long-term exposure
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
ECETOC TRA workers v3
Type of exposure:
inhalation (internal) short-term exposure
Type of exposure:
inhalation (external) long-term exposure
Type of exposure:
inhalation (external) short-term exposure
Type of exposure:
dermal (internal) long-term exposure
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
ECETOC TRA workers v3
Type of exposure:
dermal (internal) short-term exposure
Type of exposure:
dermal (external) long-term exposure
Type of exposure:
dermal (external) short-term exposure

Contributing scenario for the workers

Conditions of use for workers

Amounts used (or contained in articles), frequency and duration of use/exposure

Technical and organisational conditions and measures

Technical and organisational conditions
Effectiveness
Route affected:
inhalation

Other conditions affecting workers exposure

Place of use:
indoor
Other conditions of use

Exposure of workers

ExpEstopen allclose all
Type of exposure:
inhalation (internal) long-term exposure
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
ECETOC TRA workers v3
Type of exposure:
inhalation (internal) short-term exposure
Type of exposure:
inhalation (external) long-term exposure
Type of exposure:
inhalation (external) short-term exposure
Type of exposure:
dermal (internal) long-term exposure
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
ECETOC TRA workers v3
Type of exposure:
dermal (internal) short-term exposure
Type of exposure:
dermal (external) long-term exposure
Type of exposure:
dermal (external) short-term exposure

Uses at industrial sites

Registration/ Notification status for the use:
use registered according to REACH Article 10; total tonnage manufactured/imported >=10tonnes/year per registrant
Contributing activity / technique for the environment
Name of activity / technique:
Use of HMDZ as a chemical intermediate
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workers
Name of activity / technique:
Use of HMDZ as a chemical intermediate
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no
Related assessment:
use assessed in a joint CSR

Uses at industrial sites

Registration/ Notification status for the use:
use registered according to REACH Article 10; total tonnage manufactured/imported >=10tonnes/year per registrant
Contributing activity / technique for the environment
Name of activity / technique:
Use of HMDZ as a non-metal surface treatment agent
Environmental release category (ERC):
ERC6b: Use of reactive processing aid at industrial site (no inclusion into or onto article)
ERC6d: Use of reactive process regulators in polymerisation processes at industrial site (inclusion or not into/onto article)
Contributing activity / technique for workers
Name of activity / technique:
Use of HMDZ as a non-metal surface treatment agent
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
PROC 5: Mixing or blending in batch processes
PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Product category used:
PC 15: Non-metal-surface treatment products
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
SU 11: Manufacture of rubber products
SU 12: Manufacture of plastics products, including compounding and conversion
SU 13: Manufacture of other non-metallic mineral products, e.g. plasters, cement
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no

Uses at industrial sites

Contributing activity / technique for the environmentopen allclose all
Name of activity / technique:
Manufacture and on-site use
Environmental release category (ERC):
ERC6a: Use of intermediate
Name of activity / technique:
Use as a chemical intermediate
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workersopen allclose all
Name of activity / technique:
PROC1
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Name of activity / technique:
PROC2
Process category (PROC):
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
Name of activity / technique:
PROC3
Process category (PROC):
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
Name of activity / technique:
PROC8b
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Product category used:
PC 19: Intermediate
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no
Related assessment:
use assessed in a joint CSR
ContribScenEnvirWorkerRepopen allclose all

Contributing scenario for the environment (related to workers activities)

Conditions of use for the environment

Amounts used, frequency and duration of use (or from service life)

Conditions and measures related to Biological Sewage Treatment Plant

Biological Sewage Treatment Plant (STP):
yes

Other conditions affecting environmental exposure

Other conditions of use

Releases to waste and the environment

Release to the environment

ReleaseEnvirRepopen allclose all
Release from the site to::
surface water
Release estimation method:
estimated release factor
Release from the site to::
ambient air
Release estimation method:
estimated release factor

Exposure of the environment

PECopen allclose all
Exposed compartment:
freshwater
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
EUSES
Exposed compartment:
sediment (freshwater)
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
EUSES
Exposed compartment:
marine water
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
EUSES
Exposed compartment:
sediment (marine water)
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
EUSES
Exposed compartment:
predators' prey (freshwater)
Exposed compartment:
predators' prey (marine water)
Exposed compartment:
top predators' prey (marine water)
Exposed compartment:
sewage treatment plant
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
EUSES
Exposed compartment:
agricultural soil
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
EUSES
Exposed compartment:
predators' prey (terrestrial)
Exposed compartment:
air

Exposure of humans via the environment

Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
EUSES

Contributing scenario for the environment (related to workers activities)

Conditions of use for the environment

Product (article) characteristic

Amounts used, frequency and duration of use (or from service life)

Technical and organisational conditions and measures

Other technical and organisational conditions
Effectiveness
Route affected:
air

Conditions and measures related to Biological Sewage Treatment Plant

Biological Sewage Treatment Plant (STP):
yes

Other conditions affecting environmental exposure

Releases to waste and the environment

Release to the environment

ReleaseEnvirRepopen allclose all
Release from the site to::
surface water
Release estimation method:
estimated release factor
Release from the site to::
ambient air
Release estimation method:
estimated release factor

Release to external waste

Exposure of the environment

PECopen allclose all
Exposed compartment:
freshwater
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
EUSES
Exposed compartment:
sediment (freshwater)
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
EUSES
Exposed compartment:
marine water
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
EUSES
Exposed compartment:
sediment (marine water)
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
EUSES
Exposed compartment:
predators' prey (freshwater)
Exposed compartment:
predators' prey (marine water)
Exposed compartment:
top predators' prey (marine water)
Exposed compartment:
sewage treatment plant
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
EUSES
Exposed compartment:
agricultural soil
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
EUSES
Exposed compartment:
predators' prey (terrestrial)
Exposed compartment:
air

Exposure of humans via the environment

Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
EUSES
ContribScenWorkersRepopen allclose all

Contributing scenario for the workers

Conditions of use for workers

Amounts used (or contained in articles), frequency and duration of use/exposure

Conditions and measures related to personal protection, hygiene and health evaluation

Effectiveness
Route affected:
dermal

Other conditions affecting workers exposure

Place of use:
indoor
Other conditions of use

Exposure of workers

ExpEstopen allclose all
Type of exposure:
inhalation (internal) long-term exposure
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
ECETOC TRA workers v3
Type of exposure:
inhalation (internal) short-term exposure
Type of exposure:
inhalation (external) long-term exposure
Type of exposure:
inhalation (external) short-term exposure
Type of exposure:
dermal (internal) long-term exposure
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
ECETOC TRA workers v3
Type of exposure:
dermal (internal) short-term exposure
Type of exposure:
dermal (external) long-term exposure
Type of exposure:
dermal (external) short-term exposure

Contributing scenario for the workers

Conditions of use for workers

Amounts used (or contained in articles), frequency and duration of use/exposure

Technical and organisational conditions and measures

TechCondRepopen allclose all
Effectiveness
Route affected:
inhalation
Effectiveness
Route affected:
dermal

Conditions and measures related to personal protection, hygiene and health evaluation

Effectiveness
Route affected:
dermal

Other conditions affecting workers exposure

Place of use:
indoor
Other conditions of use

Exposure of workers

ExpEstopen allclose all
Type of exposure:
inhalation (internal) long-term exposure
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
ECETOC TRA workers v3
Type of exposure:
inhalation (internal) short-term exposure
Type of exposure:
inhalation (external) long-term exposure
Type of exposure:
inhalation (external) short-term exposure
Type of exposure:
dermal (internal) long-term exposure
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
ECETOC TRA workers v3
Type of exposure:
dermal (internal) short-term exposure
Type of exposure:
dermal (external) long-term exposure
Type of exposure:
dermal (external) short-term exposure

Contributing scenario for the workers

Conditions of use for workers

Amounts used (or contained in articles), frequency and duration of use/exposure

Technical and organisational conditions and measures

TechCondRepopen allclose all
Effectiveness
Route affected:
inhalation
Effectiveness
Route affected:
dermal

Conditions and measures related to personal protection, hygiene and health evaluation

Effectiveness
Route affected:
dermal

Other conditions affecting workers exposure

Place of use:
indoor
Other conditions of use

Exposure of workers

ExpEstopen allclose all
Type of exposure:
inhalation (internal) long-term exposure
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
ECETOC TRA workers v3
Type of exposure:
inhalation (internal) short-term exposure
Type of exposure:
inhalation (external) long-term exposure
Type of exposure:
inhalation (external) short-term exposure
Type of exposure:
dermal (internal) long-term exposure
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
ECETOC TRA workers v3
Type of exposure:
dermal (internal) short-term exposure
Type of exposure:
dermal (external) long-term exposure
Type of exposure:
dermal (external) short-term exposure

Contributing scenario for the workers

Conditions of use for workers

Amounts used (or contained in articles), frequency and duration of use/exposure

Other conditions

Technical and organisational conditions and measures

TechCondRepopen allclose all
Effectiveness
Route affected:
inhalation
Effectiveness
Route affected:
dermal

Conditions and measures related to personal protection, hygiene and health evaluation

Effectiveness
Route affected:
dermal

Other conditions affecting workers exposure

Place of use:
indoor
Other conditions of use

Exposure of workers

ExpEstopen allclose all
Type of exposure:
inhalation (internal) long-term exposure
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
ECETOC TRA workers v3
Type of exposure:
inhalation (internal) short-term exposure
Type of exposure:
inhalation (external) long-term exposure
Type of exposure:
inhalation (external) short-term exposure
Type of exposure:
dermal (internal) long-term exposure
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
ECETOC TRA workers v3
Type of exposure:
dermal (internal) short-term exposure
Type of exposure:
dermal (external) long-term exposure
Type of exposure:
dermal (external) short-term exposure

Contributing scenario for the workers

Conditions of use for workers

Amounts used (or contained in articles), frequency and duration of use/exposure

Technical and organisational conditions and measures

TechCondRepopen allclose all
Effectiveness
Route affected:
inhalation
Effectiveness
Route affected:
dermal

Conditions and measures related to personal protection, hygiene and health evaluation

Effectiveness
Route affected:
dermal

Other conditions affecting workers exposure

Place of use:
indoor
Other conditions of use

Exposure of workers

ExpEstopen allclose all
Type of exposure:
inhalation (internal) long-term exposure
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
ECETOC TRA workers v3
Type of exposure:
inhalation (internal) short-term exposure
Type of exposure:
inhalation (external) long-term exposure
Type of exposure:
inhalation (external) short-term exposure
Type of exposure:
dermal (internal) long-term exposure
Exposure estimation method:
exposure estimation tool
Exposure estimation tool name:
ECETOC TRA workers v3
Type of exposure:
dermal (internal) short-term exposure
Type of exposure:
dermal (external) long-term exposure
Type of exposure:
dermal (external) short-term exposure

Uses at industrial sites

Contributing activity / technique for the environment
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workersopen allclose all
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Product category used:
PC 19: Intermediate
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no

Uses at industrial sites

Contributing activity / technique for the environmentopen allclose all
Environmental release category (ERC):
ERC6a: Use of intermediate
Environmental release category (ERC):
ERC6d: Use of reactive process regulators in polymerisation processes at industrial site (inclusion or not into/onto article)
Contributing activity / technique for workersopen allclose all
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Product category used:
PC 19: Intermediate
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no

Uses at industrial sites

Registration/ Notification status for the use:
use registered according to REACH Article 10; total tonnage manufactured/imported >=10tonnes/year per registrant
Contributing activity / technique for the environment
Name of activity / technique:
Use as an intermediate
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workersopen allclose all
Name of activity / technique:
Transfer of substance or mixture (charging/discharging) at dedicated facilities
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Name of activity / technique:
Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Name of activity / technique:
Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
Name of activity / technique:
Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment condition
Process category (PROC):
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
Name of activity / technique:
Equipment cleaning and maintenance
Process category (PROC):
PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
PROC28: Manual maintenance (cleaning and repair) of machinery
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
Subsequent service life relevant for this use:
no
Related assessment:
use assessed in a joint CSR

Uses at industrial sites

Registration/ Notification status for the use:
use registered according to REACH Article 10; total tonnage manufactured/imported >=10tonnes/year per registrant
Contributing activity / technique for the environment
Name of activity / technique:
Use of HMDZ as a laboratory chemical
Environmental release category (ERC):
ERC6a: Use of intermediate
ERC6b: Use of reactive processing aid at industrial site (no inclusion into or onto article)
ERC6d: Use of reactive process regulators in polymerisation processes at industrial site (inclusion or not into/onto article)
Contributing activity / technique for workers
Name of activity / technique:
Use of HMDZ as a laboratory chemical
Process category (PROC):
PROC 15: Use as laboratory reagent
Product category used:
PC 21: Laboratory chemicals
Sector of end use:
SU 24: Scientific research and development
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no
Related assessment:
use assessed in a joint CSR

Uses at industrial sites

Registration/ Notification status for the use:
use registered according to REACH Article 10; total tonnage manufactured/imported >=10tonnes/year per registrant
Reference
Name:
1,1,1,3,3,3-Hexamethyldisilazane
Type of composition:
legal entity composition of the substance
State / form:
liquid
Reference substance:
1,1,1,3,3,3-Hexamethyldisilazane
Contributing activity / technique for the environment
Name of activity / technique:
Use as laboratory reagent; Use as reactive processing aid
Environmental release category (ERC):
ERC6b: Use of reactive processing aid at industrial site (no inclusion into or onto article)
Contributing activity / technique for workers
Name of activity / technique:
Use as laboratory reagent; Use as reactive processing aid
Process category (PROC):
PROC 15: Use as laboratory reagent
Product category used:
PC 21: Laboratory chemicals
Sector of end use:
SU 24: Scientific research and development
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no
Related assessment:
use assessed in a joint CSR

Uses at industrial sites

Contributing activity / technique for the environment
Environmental release category (ERC):
ERC6b: Use of reactive processing aid at industrial site (no inclusion into or onto article)
Contributing activity / technique for workersopen allclose all
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Product category used:
PC 20: Products such as ph-regulators, flocculants, precipitants, neutralisation agents
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
SU 0: Other: SU 3: Industrial use
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no