Phosphine

H3PCAS 7803-51-234.00 g/mol

PH3

Properties

Molecular formula
H3P
Molar mass
34.00 g/mol
Exact mass
33.9972 Da
Density
0.8 g/mL
Melting point
−133 °C
Boiling point
−87.7 °C
Water solubility
slightly soluble
logP
0.06Crippen estimate
Polar surface area
0.0 Ų
H-bond donors / acceptors
0 / 0
Rotatable bonds
0

Hazards

Danger
Flammable (GHS02)Compressed Gas (GHS04)Corrosive (GHS05)Acute Toxic (GHS06)Environmental Hazard (GHS09)

Harmonised EU classification (CLP Annex VI, index 015-181-00-1), via PubChem.

Precautionary statements

P203, P210, P222, P260, P264, P271, P273, P280, P284, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P320, P321, P363, P377, P381, P391, P403, P403+P233, P405, P501

Identifiers

CAS number
7803-51-2
SMILES
P
InChIKey
XYFCBTPGUUZFHI-UHFFFAOYSA-N
InChI
InChI=1S/H3P/h1H3

Weigh it out

Type any one amount. The others follow from the molar mass and density.

Names and synonyms

7 names
  • Phosphorus hydride (PH3)
  • Hydrogen phosphide
  • Phosphorus trihydride
  • Phosphine (PH3)
  • Phosphorus hydride
  • TK-Gas
  • Vaporphos

Work with Phosphine

Elsewhere