Phosphorus Tribromide
Structural Formula Vector Image
Title: Phosphorus Tribromide
CAS Registry Number: 7789-60-8
Additional Names: Phosphorous bromide
Molecular Formula: Br3P
Molecular Weight: 270.69
Percent Composition: Br 88.56%, P 11.44%
Line Formula: PBr3
Literature 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. Keep tightly closed. Corrosive.
Melting point: mp -41.5°
Boiling point: bp 173.2°
Density: d15 2.85

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