Phosphinous acid

Phosphinous acid
Names
	Other names hydroxyphosphine
Identifiers
CAS Number	13840-40-9;
3D model (JSmol)	Interactive image;
ChemSpider	126521;
PubChem CID	143409;
	InChI InChI=1S/H3OP/c1-2/h1H,2H2 Key: RYIOLWQRQXDECZ-UHFFFAOYSA-N;
	SMILES OP;
Properties
Chemical formula	H3OP
Molar mass	50.00 g·mol−1
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
	Infobox references

Phosphinous acid is the inorganic compound with the formula H₂POH. It exists, fleetingly, as a mixture with its less stable tautomer H₃PO. These species have been generated by low temperature oxidation of phosphine with ozone.^[1] H₂POH is mainly of pedagogical interest. Many phosphinous acids are known containing organic substituents. One example is diphenylphosphinous acid.

References

↑ Withnall, Robert; Andrews, Lester (1987). "FTIR spectra of the photolysis products of the phosphine-ozone complex in solid argon". Journal of Physical Chemistry. 91 (4): 784–97. doi:10.1021/j100288a008.

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[1] Withnall, Robert; Andrews, Lester (1987). "FTIR spectra of the photolysis products of the phosphine-ozone complex in solid argon". Journal of Physical Chemistry. 91 (4): 784–97. doi:10.1021/j100288a008.