Tetramethylsilane

Tetramethylsilane
Flat structural formula
Ball-and-stick model
Space-filling model
Names
Preferred IUPAC name
Tetramethylsilane
Identifiers
3D model (JSmol)
Abbreviations TMS
1696908
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.000.818 Edit this at Wikidata
EC Number
  • 200-899-1
MeSH Tetramethylsilane
RTECS number
  • VV5705400
UNII
UN number 2749
  • InChI=1S/C4H12Si/c1-5(2,3)4/h1-4H3 checkY
    Key: CZDYPVPMEAXLPK-UHFFFAOYSA-N checkY
  • C[Si](C)(C)C
Properties
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
Tetrahedral at carbon and silicon
0 D
Hazards
GHS labelling:
GHS02: FlammableGHS05: CorrosiveGHS09: Environmental hazard
Danger
H224, H302, H411
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)
NFPA 704 four-colored diamondHealth 3: Short exposure could cause serious temporary or residual injury. E.g. chlorine gasFlammability 4: Will rapidly or completely vaporize at normal atmospheric pressure and temperature, or is readily dispersed in air and will burn readily. Flash point below 23 °C (73 °F). E.g. propaneInstability 1: Normally stable, but can become unstable at elevated temperatures and pressures. E.g. calciumSpecial hazards (white): no code
3
4
1
Flash point −28 to −27 ℃ (–18 to –16 ℉), vapor may be pyrophoric
Related compounds
Related silanes
Related compounds
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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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.