Synonyms: TMCS; Trimethylchlorosilane; Trimethylsilyl chloride
CAS Number: 75-77-4
Formula: C3H9ClSi
Formula Weight: 108.64
Linear Formula: (CH3)3SiCl
MDL No.: MFCD00000502
Purity: >=98.0% (GC)
Boiling Point: 57 C(lit.)
Melting Point: -40 C (lit.)
Density: 0.856 g/mL at 25 C(lit.)
Refractive Index: n20/D 1.387(lit.)
Beilstein Registry Number: 1209232
EC Number: 200-900-5
UNSPSC Code: 12352000
General description: Chlorotrimethylsilane is a chloro-organosilane compound mainly used for silylation reactions.
Application: Chlorotrimethylsilane has been used to silanize glass surface to make them more hydrophobic. It can be used in combination with hexamethyldisilazane for the protection of alcohols by forming trimethylsilyl ethers via silylation reaction.
RTECS: VV2710000
RIDADR: UN1298 - class 3 - PG 2 - Trimethylchlorosilane
WGK Germany: 1
Flash Point(F): -4 F
Flash Point(C): -20 C
R Codes: 11-14-20/21/22-35-37
S Codes: 7/9-16-26-36/37/39-45
IOD Codes: F,C
Symbol: GHS02, GHS05, GHS06
Signal Word: Danger
Hazard Statements: H225-H301 + H331-H312-H315-H318
Precautionary statements: P210-P280-P301 + P310 + P330-P305 + P351 + P338 + P310-P370 + P378-P403 + P233