General Information
Version
ALFAAA13148
Revision date
2026-07-22
Product name
Tetramethylsilane
Product Synonyms
TMS
CAS No.
75-76-3
supplier name
Avocado Research Chemicals Ltd
Emergency telephone
001-201-796-7100, +32 14 57 52 99, 001-800-424-9300, 001-703-527-3887
Icons in SDS
Company Information
company name
Avocado Research Chemicals Ltd
e-mail address of the competent person responsible for the Safety Data Sheet
begel.sdsdesk@thermofisher.com
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H224, H411
Hazard statements
Code
Statements
H224
Extremely flammable liquid and vapour
Section 2
SECTION 2: Hazards identification
Physical State
Appearance/Odor
Liquid Colorless Characteristic Emergency Overview Extremely flammable liquid and vapor. Toxic to aquatic life with long lasting effects. Moisture sensitive. Classification of the substance or mixture Flammable liquids Category 1 Chronic aquatic toxicity Category 2 Label Elements
Signal word
Danger Hazard Statements H224 - Extremely flammable liquid and vapor H411 - Toxic to aquatic life with long lasting effects
Prevention
P210 - Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking P233 - Keep container tightly closed P240 - Ground and bond container and receiving equipment P241 - Use explosion-proof electrical/ ventilating/ lighting equipment P242 - Use non-sparking tools P243 - Take action to prevent static discharges P280 - Wear protective gloves/protective clothing/eye protection/face protection
Response
P303 + P361 + P353 - IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower P370 + P378 - In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish
Storage
P403 + P235 - Store in a well-ventilated place. Keep cool
Disposal
P501 - Dispose of contents/ container to an approved waste disposal plant
Other physicochemical hazards
Vapors may cause flash fire or explosion. Extremely flammable.
Health hazards
The product contains no substances which at their given concentration are considered to be hazardous to health.
Environmental hazards
Toxic to aquatic life with long lasting effects. Will likely be mobile in the environment due to its volatility. The product contains volatile organic compounds (VOC) which will evaporate easily from all surfaces. This product does not contain any known or suspected endocrine disruptors.
2.1 Classification of the substance or mixture
Flammable liquids. Category 1 Chronic aquatic toxicity