Names | |
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Systematic IUPAC name
Trimethylstibane[1] | |
Identifiers | |
3D model (JSmol)
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ChemSpider | |
ECHA InfoCard | 100.008.933 |
EC Number |
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MeSH | trimethylantimony |
PubChem CID
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UNII | |
CompTox Dashboard (EPA)
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Properties | |
C 3SbH 9 | |
Molar mass | 166.86 g mol−1 |
Appearance | Colourless liquid |
Density | 1.523 g cm−3 (at 15°C) |
Melting point | −62 °C (−80 °F; 211 K) |
Boiling point | 81 °C (178 °F; 354 K) |
Thermochemistry | |
Std enthalpy of
formation (ΔfH⦵298) |
24-26 kJ mol−1 |
Std enthalpy of
combustion (ΔcH⦵298) |
-2.896--2.946 MJ mol−1 |
Related compounds | |
Related compounds
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Trimethylamine Trimethylphosphine Trimethylarsine Triphenylstibine Trimethylbismuth |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Trimethylstibine is an organoantimony compound with the formula Sb(CH3)3. It is a colorless pyrophoric and toxic liquid.[2] It is synthesized by treatment of antimony trichloride and methyl Grignard reagent.[3] It is produced by anaerobic bacteria in antimony-rich soils.[4] In contrast to trimethylphosphine, trimethylstibine is a weaker Lewis base. It is used in the production of some III-V semiconductors.