Trimethylphosphine
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Trimethylphosphine is an organophosphorus compound with the formula P(CH3)3, commonly abbreviated as PMe3. This colorless liquid has a strongly unpleasant odor, characteristic of alkylphosphines. The compound is a common ligand in coordination chemistry.
Quick Facts Names, Identifiers ...
Names | |
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Preferred IUPAC name
Trimethylphosphane | |
Systematic IUPAC name | |
Identifiers | |
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3D model (JSmol) |
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969138 | |
ChEBI | |
ChemSpider |
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ECHA InfoCard | 100.008.932 |
EC Number |
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MeSH | trimethyl+phosphine |
PubChem CID |
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UNII | |
UN number | 1993 |
CompTox Dashboard (EPA) |
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Properties | |
C3H9P | |
Molar mass | 76.079 g·mol−1 |
Appearance | Colorless liquid |
Density | 735 mg cm−3 |
Melting point | −86 °C (−123 °F; 187 K) |
Boiling point | 38 to 39 °C (100 to 102 °F; 311 to 312 K) |
Vapor pressure | 49.9 kPa (at 20 °C) |
Structure | |
Trigonal pyramidal | |
1.19 Debye | |
Hazards | |
GHS labelling: | |
Danger | |
H225, H315, H319, H335 | |
P210, P261, P305+P351+P338 | |
Flash point | −19 °C (−2 °F; 254 K) |
Related compounds | |
Related compounds |
PEt3 NMe3 PH3 PPh3 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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