Registration Dossier
Registration Dossier
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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.
Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.
EC number: 231-166-4 | CAS number: 7440-58-6
Manufacture, use & exposure
Uses at industrial sites
Documentsopen allclose all
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:
- ERC 5
- Environmental release category (ERC):
- ERC5: Use at industrial site leading to inclusion into/onto article
Contributing activity / technique for workers
- Name of activity / technique:
- PROCs
- 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 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
- PROC 24: High (mechanical) energy work-up of substances bound in materials and/or articles
- PROC 26: Handling of solid inorganic substances at ambient temperature
- Product category used:
- PC 7: Base metals and alloys
- Sector of end use:
- SU 14: Manufacture of basic metals, including alloys
- Substance supplied to that use in form of:
- as such
- in a mixture
- Subsequent service life relevant for this use:
- yes
Uses at industrial sites
Contributing activity / technique for the environment
- Name of activity / technique:
- Use of hafnium and hafnium alloy shapes for the production of shapes, ingots and/or hafnium containing articles.
- Environmental release category (ERC):
- ERC7: Use of functional fluid at industrial site
Contributing activity / technique for workers
- Name of activity / technique:
- Use of hafnium and hafnium alloy shapes for the production of shapes, ingots and/or hafnium containing articles.
- Process category (PROC):
- PROC 21: Low energy manipulation of substances bound in materials and/or articles
- PROC 22: Potentially closed processing operations with minerals/metals at elevated temperature. Industrial setting
- PROC 23: Open processing and transfer operations with minerals/metals at elevated temperature
- PROC 24: High (mechanical) energy work-up of substances bound in materials and/or articles
- PROC 25: Other hot work operations with metals
- PROC 26: Handling of solid inorganic substances at ambient temperature
- Product category used:
- PC 7: Base metals and alloys
- PC 14: Metal surface treatment products
- Substance supplied to that use in form of:
- in a mixture
- Subsequent service life relevant for this use:
- yes
Uses at industrial sites
Contributing activity / technique for the environment
- Environmental release category (ERC):
- ERC5: Use at industrial site leading to inclusion 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 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 26: Handling of solid inorganic substances at ambient temperature
- Sector of end use:
- SU 14: Manufacture of basic metals, including alloys
- SU 15: Manufacture of fabricated metal products, except machinery and equipment
- Substance supplied to that use in form of:
- as such
- Subsequent service life relevant for this use:
- no
- Related assessment:
- use assessed in an own CSR
Uses at industrial sites
Contributing activity / technique for the environment
- Name of activity / technique:
- Use of hafnium/hafnium containing alloys for the fabrication of niobium containing articles by mechanical processes (such as rolling, extrusion)
- Environmental release category (ERC):
- ERC5: Use at industrial site leading to inclusion into/onto article
- ERC7: Use of functional fluid at industrial site
Contributing activity / technique for workers
- Name of activity / technique:
- Use of hafnium/hafnium containing alloys for the fabrication of niobium containing articles by mechanical processes (such as rolling, extrusion)
- Process category (PROC):
- PROC 13: Treatment of articles by dipping and pouring
- PROC 21: Low energy manipulation of substances bound in materials and/or articles
- PROC 24: High (mechanical) energy work-up of substances bound in materials and/or articles
- PROC 25: Other hot work operations with metals
- PROC 26: Handling of solid inorganic substances at ambient temperature
- Product category used:
- PC 7: Base metals and alloys
- PC 38: Welding and soldering products, flux products
- Sector of end use:
- SU 14: Manufacture of basic metals, including alloys
- SU 15: Manufacture of fabricated metal products, except machinery and equipment
- SU 17: General manufacturing, e.g. machinery, equipment, vehicles, other transport equipment
- SU 19: Building and construction work
- SU 23: Electricity, steam, gas water supply and sewage treatment
- Substance supplied to that use in form of:
- in a mixture
- Subsequent service life relevant for this use:
- yes
Uses at industrial sites
Contributing activity / technique for the environment
- Environmental release category (ERC):
- ERC5: Use at industrial site leading to inclusion into/onto article
Contributing activity / technique for workers
- Process category (PROC):
- PROC 13: Treatment of articles by dipping and pouring
- PROC 21: Low energy manipulation of substances bound in materials and/or articles
- PROC 22: Potentially closed processing operations with minerals/metals at elevated temperature. Industrial setting
- PROC 23: Open processing and transfer operations with minerals/metals at elevated temperature
- PROC 25: Other hot work operations with metals
- PROC 26: Handling of solid inorganic substances at ambient temperature
- Product category used:
- PC 7: Base metals and alloys
- Sector of end use:
- SU 17: General manufacturing, e.g. machinery, equipment, vehicles, other transport equipment
- Substance supplied to that use in form of:
- in a mixture
- Subsequent service life relevant for this use:
- yes
Uses at industrial sites
Contributing activity / technique for the environment
- Environmental release category (ERC):
- ERC5: Use at industrial site leading to inclusion 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 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 14: Tabletting, compression, extrusion, pelletisation, granulation
- Process category (PROC):
- PROC 21: Low energy manipulation of substances bound in materials and/or articles
- Process category (PROC):
- PROC 24: High (mechanical) energy work-up of substances bound in materials and/or articles
- Process category (PROC):
- PROC 25: Other hot work operations with metals
- Process category (PROC):
- PROC 26: Handling of solid inorganic substances at ambient temperature
- Product category used:
- PC 7: Base metals and alloys
- Sector of end use:
- SU 14: Manufacture of basic metals, including alloys
- SU 15: Manufacture of fabricated metal products, except machinery and 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 an own CSR
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
