General Information
Version
10
Revision date
2026-07-22
Product name
Trimethylsilyl cyanide
Product Synonyms
Trimethylsilylcarbonitrile; TMSCN; Cyanotrimethylsilane
CAS No.
7677-24-9
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)
H225, H300+H310+H330, H410
Hazard statements
Code
Statements
H225
Highly Flammable liquid and vapour
Section 2
SECTION 2: Hazards identification
Physical State
Appearance/Odor
Liquid Clear No information available Emergency Overview Highly flammable liquid and vapor. Fatal if swallowed. Fatal in contact with skin. Fatal if inhaled. Very toxic to aquatic life with long lasting effects. Reacts violently with water. Contact with water liberates toxic gas. Moisture sensitive. Classification of the substance or mixture Flammable liquids Category 2 Acute Oral Toxicity Category 1 Acute Dermal Toxicity Category 1 Acute Inhalation Toxicity - Vapors Category 1 Chronic aquatic toxicity Category 1 Label Elements
Signal word
Danger Hazard Statements H225 - Highly flammable liquid and vapor H410 - Very toxic to aquatic life with long lasting effects H300 + H310 + H330 - Fatal if swallowed, in contact with skin or if inhaled
Prevention
P210 - Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking 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 P262 - Do not get in eyes, on skin, or on clothing P264 - Wash face, hands and any exposed skin thoroughly after handling P270 - Do not eat, drink or smoke when using this product P271 - Use only outdoors or in a well-ventilated area P280 - Wear protective gloves/protective clothing/eye protection/face protection P284 - Wear respiratory protection
Response
P303 + P361 + P353 - IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower P304 + P340 - IF INHALED: Remove person to fresh air and keep comfortable for breathing P310 - Immediately call a POISON CENTER or doctor P330 - Rinse mouth P363 - Wash contaminated clothing before reuse P370 + P378 - In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish
Storage
P403 + P233 - Store in a well-ventilated place. Keep container tightly closed P405 - Store locked up
Disposal
P501 - Dispose of contents/ container to an approved waste disposal plant
Other physicochemical hazards
Highly flammable. Vapors may cause flash fire or explosion. Reacts violently with water. Water reactive.
Health hazards
Very toxic if swallowed. Fatal in contact with skin. Fatal if inhaled.
Environmental hazards
Very toxic to aquatic life with long lasting effects. Reacts violently with water. Is not likely mobile in the environment. Reacts violently with water.
2.3 Other hazards
Toxic to terrestrial vertebrates. This product does not contain any known or suspected endocrine disruptors.
2.1 Classification of the substance or mixture
Flammable liquids. Category 2 Acute Oral Toxicity Category 1 Acute Dermal Toxicity Category 1 Acute Inhalation Toxicity - Vapors Category 1 Chronic aquatic toxicity