Tetramethylsilane

Tetramethylsilane
Names
	Preferred IUPAC name Tetramethylsilane
Identifiers
CAS Number	75-76-3 ;
3D model (JSmol)	Interactive image;
Abbreviations	TMS
Beilstein Reference	1696908
ChEBI	CHEBI:85361 ;
ChEMBL	ChEMBL68073 ;
ChemSpider	6156 ;
ECHA InfoCard	100.000.818
EC Number	200-899-1;
MeSH	Tetramethylsilane
PubChem CID	6396;
RTECS number	VV5705400;
UNII	41Y0RBG14Q ;
UN number	2749
CompTox Dashboard (EPA)	DTXSID9026423 ;
	InChI InChI=1S/C4H12Si/c1-5(2,3)4/h1-4H3 Key: CZDYPVPMEAXLPK-UHFFFAOYSA-N ;
	SMILES C[Si](C)(C)C;
Properties
Chemical formula	C4H12Si
Molar mass	88.225 g·mol−1
Appearance	Colourless liquid
Density	0.648 g cm−3
Melting point	−99 to −102 °C (−146 to −152 °F; 174 to 171 K)
Boiling point	26 to 28 °C (79 to 82 °F; 299 to 301 K)
Solubility	organic solvents
Structure
Molecular shape	Tetrahedral at carbon and silicon
Dipole moment	0 D
Hazards
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H224, H302, H411
Precautionary statements	P210, P233, P240, P241, P242, P243, P264, P270, P273, P280, P301+P312, P303+P361+P353, P330, P370+P378, P391, P403+P235, P501
NFPA 704 (fire diamond)	3 4 1
Flash point	−28 to −27 °C (–18 to –16 °F), vapor may be pyrophoric
Related compounds
Related silanes	Silane; Silicon tetrabromide; Silicon tetrachloride; Silicon tetrafluoride; Silicon tetraiodide; Hexamethyldisilane;
Related compounds	Neopentane; Tetramethylgermane; Tetramethyltin; Tetramethyllead;
	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

Tetramethylsilane (abbreviated as TMS) is the organosilicon compound with the formula Si(CH₃)₄. It is the simplest tetraorganosilane. Like all silanes, the TMS framework is tetrahedral. TMS is a building block in organometallic chemistry but also finds use in diverse niche applications.