Methylsilane safety data
GHS hazards, precautions, first aid, handling and transport for Methylsilane. A classification summary, not a safety data sheet.
CAS 992-94-9Formula CH6Si
GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.
GHS classification
Pictograms, signal word and hazard classes of the GHS classification
Signal word
DangerHazard classes and categories
- Flam. Gas 1
- Press. Gas
- Acute Tox. 4 (dermal)
- Skin Irrit. 2
- Eye Irrit. 2
- Acute Tox. 4 (inhalation)
- STOT SE 3 (respiratory irritation)
- STOT SE 3 (narcotic effects)
Hazard statements
H codes grouped by type. Percentages show the share of classification notifications that report the statement
Physical hazards
- H220Extremely flammable gas.
- H280Contains gas under pressure, may explode if heated.
Health hazards
- H312Harmful in contact with skin.
- H315Causes skin irritation.
- H319Causes serious eye irritation.
- H332Harmful if inhaled.
- H335May cause respiratory irritation.
- H336May cause drowsiness or dizziness.
Precautionary statements
P codes for prevention, response, storage and disposal
Prevention
- P203Obtain, read and follow all safety instructions before use.
- P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
- P222Do not allow contact with air.
- P261Avoid breathing dust, fume, gas, mist, vapours or spray.
- P264Wash skin thoroughly after handling.
- P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
- P271Use only outdoors or in a well-ventilated area.
- P280Wear protective gloves, protective clothing, eye protection and face protection.
Response
- P302 + P352If on skin: Wash with plenty of water.
- P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
- P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
- P317Get medical help.
- P319Get medical help if you feel unwell.
- P321Specific treatment (see supplemental first aid instructions on the label).
- P332 + P317If skin irritation occurs: Get medical help.
- P337 + P317If eye irritation persists: Get medical help.
- P362 + P364Take off contaminated clothing. And wash it before reuse.
- P377Leaking gas fire: do not extinguish, unless leak can be stopped safely.
- P381In case of leakage, eliminate all ignition sources.
Storage
- P403Store in a well-ventilated place.
- P403 + P233Store in a well-ventilated place. Keep container tightly closed.
- P405Store locked up.
- P410 + P403Protect from sunlight. Store in a well-ventilated place.
Disposal
- P501Dispose of contents and container in accordance with local regulations.
Supplier safety data sheets
SDS documents uploaded by suppliers who list this chemical
No supplier has uploaded an SDS for Methylsilane yet. Suppliers usually send one with their quote. Request quotes
Safety questions
Quick answers about handling Methylsilane safely
Is Methylsilane hazardous?
Methylsilane carries the GHS signal word "Danger". Main hazards: extremely flammable gas, contains gas under pressure, may explode if heated, harmful in contact with skin. This summary is not an SDS, always read the supplier safety data sheet.
Which GHS pictograms apply to Methylsilane?
The GHS classification of Methylsilane shows 3 pictograms: GHS02 (flammable), GHS04 (gas under pressure), GHS07 (harmful or irritant).
Where can I get the SDS for Methylsilane?
Ask the supplier for the safety data sheet of the exact grade you buy. Suppliers on CompoundList can attach their SDS to listings and send it with a quote. This page is a GHS classification summary, not an SDS.
GHS classification summary, not an SDS. Always check the supplier's SDS. Last updated 7 Oct 2026. Report an error
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