Trimethylsilyl chloride

Trimethylsilyl chloride
Names
	Preferred IUPAC name Chlorotri(methyl)silane
	Other names Trimethylsilyl chloride; Chlorotrimethylsilane; TMSCl; Trimethylchlorosilane; TMCS
Identifiers
CAS Number	75-77-4 ;
3D model (JSmol)	Interactive image;
ChemSpider	6157 ;
ECHA InfoCard	100.000.819
EC Number	200-900-5;
PubChem CID	6397;
RTECS number	VV2710000;
UNII	62UO4690X6 ;
UN number	1298
CompTox Dashboard (EPA)	DTXSID2024822 ;
	InChI InChI=1S/C3H9ClSi/c1-5(2,3)4/h1-3H3 Key: IJOOHPMOJXWVHK-UHFFFAOYSA-N ;
	SMILES C[Si](C)(C)Cl;
Properties
Chemical formula	C3H9SiCl
Molar mass	108.64 g/mol
Appearance	Colorless liquid, fumes in moist air
Density	0.856 g/cm3, liquid
Melting point	−40 °C (−40 °F; 233 K)
Boiling point	57 °C (135 °F; 330 K)
Solubility in water	Reacts
Magnetic susceptibility (χ)	−77.36·10−6 cm3/mol
Structure
Molecular shape	Tetrahedral at Si
Hazards
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H225, H301, H312, H314, H331, H351
Precautionary statements	P201, P202, P210, P233, P240, P241, P242, P243, P260, P261, P264, P270, P271, P280, P281, P301+P310, P301+P330+P331, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P308+P313, P310, P311, P312, P321, P322, P330, P363, P370+P378, P403+P233, P403+P235, P405, P501
NFPA 704 (fire diamond)	3 3 2 W
Flash point	−28 °C (−18 °F; 245 K)
Autoignition; temperature	400 °C (752 °F; 673 K)
Related compounds
Related halosilanes	Trimethylsilyl fluoride; Trimethylsilyl bromide; Trimethylsilyl iodide
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Trimethylsilyl chloride, also known as chlorotrimethylsilane is an organosilicon compound (silyl halide), with the formula (CH₃)₃SiCl, often abbreviated Me₃SiCl or TMSCl. It is a colourless volatile liquid that is stable in the absence of water. It is widely used in organic chemistry.