Trimethylphosphine

Trimethylphosphine
Stereo, skeletal formula of trimethylphosphine with the lone pair of electrons shown, and all explicit hydrogens added
Ball and stick model of trimethylphosphine
Names
Preferred IUPAC name
Trimethylphosphane
Systematic IUPAC name
Trimethylphosphane[1] (substitutive)
Trimethylphosphorus[1] (additive)
Identifiers
3D model (JSmol)
969138
ChEBI
ChemSpider
ECHA InfoCard 100.008.932 Edit this at Wikidata
EC Number
  • 209-823-1
MeSH trimethyl+phosphine
UNII
UN number 1993
  • InChI=1S/C3H9P/c1-4(2)3/h1-3H3 ☒N
    Key: YWWDBCBWQNCYNR-UHFFFAOYSA-N ☒N
  • CP(C)C
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:
GHS02: Flammable GHS07: Exclamation mark
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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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.

  1. ^ a b "Trimethylphosphine (CHEBI:35890)". Chemical Entities of Biological Interest (ChEBI). UK: European Bioinformatics Institute. 6 June 2006. IUPAC Names. Retrieved 25 September 2011.