General Information
Version
7.3
Revision date
2026-09-03
Product name
Trimethylsilyl cyanide
CAS No.
7677-24-9
Emergency telephone
800-789-767, +39-02-4555-7031, +39 02-6610-1029
Icons in SDS
Company Information
company name
Merck Life Science S.r.l
e-mail address of the competent person responsible for the Safety Data Sheet
serviziotecnico@merckgroup.com
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H225, H300, H300+H310+H330, H310, H330, H400, H410
Hazard statements
Code
Statements
H225
Highly Flammable liquid and vapour
Section 2
SECTION 2: Hazards identification
Regulation (EC) No. 1272/2008 Classification of the substance or mixture
Signal word
Danger Danger
Hazard statements
H225 Highly flammable liquid and vapour. H300 + H310 + H330 Fatal if swallowed, in contact with skin or if inhaled. H410 Very toxic to aquatic life with long lasting effects. EUH029 Contact with water liberates toxic gas. H300 + H310 + H330 Fatal if swallowed, in contact with skin or if inhaled.
Supplemental label elements
EUH014 Reacts violently with water. EUH014 Reacts violently with water. EUH029 Contact with water liberates toxic gas.
Precautionary statements
P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P264 Wash skin thoroughly after handling. P273 Avoid release to the environment. P280 Wear protective gloves/ protective clothing/ eye protection/ face protection. P264 Wash skin thoroughly after handling. P304 + P340 + P310 IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/ doctor.
Response
P303 + P361 + P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water. P304 + P340 + P310 IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/ doctor. Reduced Labelling (<= 125 ml)
2.3 Other hazards
This substance/mixture contains no components considered to be either persistent, bioaccumulative and toxic (PBT), or very persistent and very bioaccumulative (vPvB) at levels of 0.1% or higher.
ECOLOGICAL INFORMATION
The substance/mixture does not contain components considered to have endocrine disrupting properties according to REACH Article 57(f) or Commission Delegated regulation (EU) 2017/2100 or Commission Regulation (EU) 2018/605 at levels of 0.1% or higher.
TOXICOLOGICAL INFORMATION
The substance/mixture does not contain components considered to have endocrine disrupting properties according to REACH Article 57(f) or Commission Delegated regulation (EU) 2017/2100 or Commission Regulation (EU) 2018/605 at levels of 0.1% or higher.
2.1 Classification of the substance or mixture
Classification (REGULATION (EC) No 1272/2008) Flammable liquids, Category 2 H225: Highly flammable liquid and vapour. Acute toxicity, Category 2 H300: Fatal if swallowed. Acute toxicity, Category 2 H330: Fatal if inhaled. Acute toxicity, Category 1 H310: Fatal in contact with skin. Short-term (acute) aquatic hazard, H400: Very toxic to aquatic life. Category 1 Long-term (chronic) aquatic hazard, H410: Very toxic to aquatic life with long Category 1 lasting effects.