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Trimethylsilane safety data

GHS hazards, precautions, first aid, handling and transport for Trimethylsilane. A classification summary, not a safety data sheet.
CAS 993-07-7Formula C3H10Si

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

GHS02: Flammable
Flammable
GHS04: Gas under pressure
Gas under pressure
GHS07: Harmful or irritant
Harmful or irritant
Signal word
Danger

Hazard classes and categories

  • Flam. Gas 1
  • Flam. Liq. 1
  • Press. Gas
  • Skin Irrit. 2
  • Eye Irrit. 2
  • STOT SE 3 (respiratory irritation)

Hazard statements

H codes grouped by type. Percentages show the share of classification notifications that report the statement

Physical hazards

  • H220Extremely flammable gas.
  • H224Extremely flammable liquid and vapour.
  • H280Contains gas under pressure, may explode if heated.

Health hazards

  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.

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.
  • P233Keep container tightly closed.
  • P240Ground and bond container and receiving equipment.
  • P241Use explosion-proof electrical, ventilating and lighting equipment.
  • P242Use non-sparking tools.
  • P243Take action to prevent static discharges.
  • 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.
  • P303 + P361 + P353If on skin (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower.
  • 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.
  • 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.
  • P370 + P378In case of fire: Use appropriate media to extinguish.
  • 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.
  • P403 + P235Store in a well-ventilated place. Keep cool.
  • 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 Trimethylsilane yet. Suppliers usually send one with their quote. Request quotes

Safety questions

Quick answers about handling Trimethylsilane safely

Is Trimethylsilane hazardous?

Trimethylsilane carries the GHS signal word "Danger". Main hazards: extremely flammable gas, extremely flammable liquid and vapour, contains gas under pressure, may explode if heated. This summary is not an SDS, always read the supplier safety data sheet.

Which GHS pictograms apply to Trimethylsilane?

The GHS classification of Trimethylsilane shows 3 pictograms: GHS02 (flammable), GHS04 (gas under pressure), GHS07 (harmful or irritant).

Where can I get the SDS for Trimethylsilane?

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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