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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Guidance on Safe Use

Guidance on Safe Use

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Administrative data

First-aid measures

Description of first aid measures:

In case of inhalation: Move victim to fresh air. In case of respiratory difficulties seek medical attention.

Following skin contact: Change contaminated clothing. Remove residues with soap and water.

In case of skin reactions, consult a physician.

After eye contact: Immediately flush eyes with plenty of flowing water for 10 to 15 minutes holding eyelids

apart. Subsequently consult an ophthalmologist.

After swallowing: Rinse mouth immediately and drink plenty of water. Seek medical attention.

Never give anything by mouth to an unconscious person.

Most important symptoms and effects, both acute and delayed:

After contact with skin: May cause irritations.

After eye contact: May cause irritations.

Indication of any immediate medical attention and special treatment needed:

Treat symptomatically.

Fire-fighting measures

Extinguishing media

Suitable extinguishing media:

Foam, extinguishing powder, carbon dioxide.

Extinguishing media which must not be used for safety reasons:

High power water jet

Special hazards arising from the substance or mixture

In case of fire may be liberated: Sulphur oxides, silicon compounds, carbon monoxide

and carbon dioxide.

Advice for firefighters

Special protective equipment for firefighters:

Wear a self-contained breathing apparatus and chemical protective clothing.

Additional information: Hazchem-Code: •3Z

Do not allow water used to extinguish fire to enter drains, ground or waterways.

Accidental release measures

Personal precautions, protective equipment and emergency procedures

Plug leak if safely possible. Remove all sources of ignition.

Avoid contact with the substance. Provide adequate ventilation. Do not breathe vapours.

Environmental precautions

Do not allow to penetrate into soil, waterbodies or drains.

Methods and material for containment and cleaning up

Soak up with absorbent materials such as sand, siliceus earth, acid- or universal binder.

Store in special closed containers and dispose of according to ordinance.

Handling and storage

Precautions for safe handling:

Advices on safe handling: Provide adequate ventilation, and local exhaust as needed.

Do not breathe vapours. Avoid contact with skin and eyes.

Precautions against fire and explosion:

Keep away from heat sources, sparks and open flames.

Conditions for safe storage, including any incompatibilities:

Requirements for storerooms and containers:

Keep container tightly closed in a cool place. Store containers in upright position.

Keep away from heat sources, sparks and open flames.

Protect containers against air humidity and water.

Containers will enclose product residues and vapours after being emptied.

Do not re-use the empty container. Protect from punctures by sharp objects.

Transport information

Land transport (UN RTDG/ADR/RID)

UN number:
Shipping information
Proper shipping name and description:
ENVIRONMENTALLY HAZARDOUS SUBSTANCE, LIQUID, N.O.S. (3-(Dimethoxymethylsilyl)propanethiol)
Special provisions / remarks
Special provisions:
274 335 375 601
Warning board: ADR/RID: Kemmler-number 90, UN number UN 3082
Hazard label: 9
Special provisions: 274 335 375 601
Limited quantities: 5 L
EQ: E1
Contaminated packaging - Instructions: P001 IBC03 LP01 R001
Contaminated packaging - Special provisions:
Special provisions for packing together: MP19
Portable tanks - Instructions: T4
Portable tanks - Special provisions: TP1 TP29
Tank coding: LGBV
Tunnel restriction code: E

Inland waterway transport (UN RTDG/ADN(R))

UN number:
Shipping information
Proper shipping name and description:
ENVIRONMENTALLY HAZARDOUS SUBSTANCE, LIQUID, N.O.S. (3-(Dimethoxymethylsilyl)propanethiol)
Remarksopen allclose all

Marine transport (UN RTDG/IMDG)

UN number:
Shipping information
Proper shipping name and description:
ENVIRONMENTALLY HAZARDOUS SUBSTANCE, LIQUID, N.O.S. (3-(Dimethoxymethylsilyl)propanethiol)
Special provisions / remarks
EmS: F-A, S-F
Special provisions: 274, 335, 969
Limited quantities: 5 L
Excepted quantities: E1
Contaminated packaging - Instructions: P001, LP01
Contaminated packaging - Provisions: PP1
IBC - Instructions: IBC03
IBC - Provisions: -
Tank instructions - IMO: -
Tank instructions - UN: T4
Tank instructions - Provisions: TP2, TP29
Stowage and handling: Category A.
Properties and observations: -
Segregation group: none

Air transport (UN RTDG/ICAO/IATA)

UN number:
Shipping information
Proper shipping name and description:
ENVIRONMENTALLY HAZARDOUS SUBSTANCE, LIQUID, N.O.S. (3-(Dimethoxymethylsilyl)propanethiol)
Special provisions / remarks
Hazard label: Miscellaneous
Excepted Quantity Code: E1
Passenger and Cargo Aircraft: Ltd.Qty.: Pack.Instr. Y964 - Max. Net Qty/Pkg. 30 kg G
Passenger and Cargo Aircraft: Pack.Instr. 964 - Max. Net Qty/Pkg. 450 L
Cargo Aircraft only: Pack.Instr. 964 - Max. Net Qty/Pkg. 450 L
Special provisions: A97 A158 A197
Emergency Response Guide-Code (ERG): 9L
SpecialProvisionsopen allclose all

Exposure controls / personal protection

Exposure controls:

Make sure there is sufficient air exchange and / or that working rooms are air suctioned.

Personal protection equipment:

Occupational exposure controls

Respiratory protection: Respiratory protection must be worn whenever the WEL levels have been exceeded.

The filter class must be suitable for the maximum contaminant concentration

(gas/vapour/aerosol/particulates) that may arise when handling the product. If the

concentration is exceeded, self-contained breathing apparatus must be used.

Hand protection: Protective gloves according to EN 374.

Glove material: Plastic or rubber

Breakthrough time: > 480 min

Observe glove manufacturer's instructions concerning penetrability and breakthrough time.

Eye protection: Tightly sealed goggles according to EN 166.

Body protection: Wear suitable protective clothing.

General protection and hygiene measures:

Change contaminated clothing.

Avoid contact with skin and eyes.

Wash hands before breaks and after work.

Have eye wash bottle or eye rinse ready at work place.

Stability and reactivity


Hydrolyzes with water.

Chemical stability

Product is stable under normal storage conditions.

Possibility of hazardous reactions

Hazardous polymerisation: Will not occur.

Conditions to avoid

Protect from humidity and water.

Incompatible materials

Water, acids, alkalis

Hazardous decomposition products

Methanol (Highly flammable.)

Thermal decomposition: No data available

Disposal considerations

Waste treatment methods


Waste key number: 07 02 16* = Waste containing hazardous silicones

* = Evidence for disposal must be provided.

Recommendation: Destroy material in a hazardous waste incinerator equipped with afterburner and filters.

Discharge into the environment must be avoided.

Contaminated packaging

Waste key number: 15 01 04 = Metallic packaging or 150102 = Plastic packaging

Recommendation: Empty carefully and completely, if possible.

Dispose of waste according to applicable legislation.

Handle contaminated packages in the same way as the substance itself.