Phosphorus Tribromide

Phosphorus Tribromide

Phosphorus Tribromide is a colourless to pale yellow fuming liquid with a pungent odour. It is corrosive to metalandtissue. It is soluble in alcohol and chloroform.

Other Names
Tribromophosphine, phosphorus bromide, tribromophosphane
Chemical Formula
PBr3
CAS No
7789-60-8
Molar Mass
270.68 g/mol
TEST RESULT
Appearance Colourless To Pale Yellow Liquid
Assay 99 % - min
Residue 0.5 % - max
Boiling Point 165°C 165°C
Specific Gravity At 25°C 2.86 - 2.88

Applications:

Phosphorus tribromide is mainly used as a brominating agent in organic chemistry.
It is used for the conversion of primary or secondary alcohols to alkyl bromides. As a catalyst for the α- bromination of carboxylic acids.
Used in the manufacture of pharmaceuticals like alprazolam, methohexital and fenoprofen.