Chemistry:Triphosphane

Triphosphane
Names
	Systematic IUPAC name Triphosphane
	Other names Triphosphine
Identifiers
CAS Number	13597-70-1 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:35893 ;
ChemSpider	123032 ;
PubChem CID	139510;
	InChI InChI=1S/H5P3/c1-3-2/h3H,1-2H2 Key: ITHPEWAHFNDNIO-UHFFFAOYSA-N ;
	SMILES PPP;
Properties
Chemical formula	P; 3H; 5
Molar mass	97.96099 g·mol−1
Appearance	Colourless gas
Related compounds
Other anions	triazane
Related Binary phosphanes	phosphane; diphosphane
Related compounds	triazene
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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	Infobox references

See also: triphos|Triphos (disambiguation)|triphos

Triphosphane (IUPAC systematic name) or triphosphine is an inorganic compound having the chemical formula HP(PH
2)
2. It can be generated from diphosphine but is highly unstable at room temperature:^[3]

2 P
2H
4 → P
3H
5 + PH
3

Samples have been isolated by gas chromatography. The compound rapidly converts to PH
3 and the cyclophosphine cyclo-P
5H
5.^[4]

References

↑ "Triphosphine". NIST Chemistry WebBook. USA: National Institute of Standards and Technology. http://webbook.nist.gov/cgi/cbook.cgi?ID=13597-70-1. Retrieved 27 September 2011.
↑ "triphosphane (CHEBI:35893)". Chemical Entities of Biological Interest (ChEBI). UK: European Bioinformatics Institute. 7 June 2006. Main. https://www.ebi.ac.uk/chebi/searchId.do?chebiId=35893. Retrieved 27 September 2011.
↑ Greenwood, Norman N.; Earnshaw, Alan (1997). Chemistry of the Elements (2nd ed.). Butterworth-Heinemann. ISBN 978-0-08-037941-8.
↑ Marianne Baudler, Klaus Glinka (1993). "Monocyclic and Polycyclic Phosphines". Chem. Rev. 93: 1623–1667. doi:10.1021/cr00020a010.