Diphosphane

Diphosphane
Stereo structural formula of diphosphane with explicit hydrogens
Stereo structural formula of diphosphane with explicit hydrogens
Ball-and-stick model of diphosphane
Ball-and-stick model of diphosphane
Names
IUPAC name
Diphosphane
Systematic IUPAC name
Diphosphane (substitutive)
Tetrahydridodiphosphorus(PP) (additive)
Other names
Diphosphine
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
  • InChI=1S/H4P2/c1-2/h1-2H2 ☒N
    Key: VURFVHCLMJOLKN-UHFFFAOYSA-N ☒N
  • PP
Properties
H4P2
Molar mass 65.980 g·mol−1
Melting point −99 °C (−146 °F; 174 K)
Boiling point 63.5 °C (146.3 °F; 336.6 K) (Extrapolated, decomposes)
Related compounds
Other anions
ammonia
hydrazine
triazane
Other cations
diphosphines
Related Binary Phosphorus halides
diphosphorus tetrafluoride
diphosphorus tetrachloride
diphosphorus tetrabromide
diphosphorus tetraiodide
Related compounds
phosphane
triphosphane
diphosphene
diphosphenes
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Diphosphane, or diphosphine, is an inorganic compound with the chemical formula P2H4. This colourless liquid is one of several binary phosphorus hydrides. It is the impurity that typically causes samples of phosphine to ignite in air.