7357. Phosphorus Tribromide

Nomenclature

CAS number: 7789-60-8
Phosphorous bromide.
Br3P; mol wt 270.69.
Br 88.56%, P 11.44%.
PBr3.

Description and references

Prepn: Gray, Maxson, Inorg. Synth. 2, 147 (1946). Review: Payne, “The Chemistry of Phosphorus Halides” in Topics in Phosphorus Chemistry vol. 4, M. Grayson, E. J. Griffith, Eds. (Interscience, New York, 1967) pp 85-155.

Properties

Colorless, fuming liquid; very penetrating odor. d15 2.85. mp -41.5°. bp 173.2°. Vapor pressure: 10 mm (48°). Dissolved and dec by water or alc; sol in acetone, carbon disulfide. Corrosive. Keep tightly closed.