3025. 2,3-Dibromopropene

Nomenclature

CAS number: 513-31-5
2,3-Dibromo-1-propene; 2,3-dibromopropylene; 2-bromoallyl bromide; α-bromoallyl bromide; α-epidibromohydrin.
C3H4Br2; mol wt 199.87.
C 18.03%, H 2.02%, Br 79.96%.

Description and references

Prepd by the action of sodium hydroxide on 1,2,3-tribromopropane: Lespieau, Bourguel, Org. Synth. 5, 49 (1925); cf. Tapley, Giesy, J. Am. Pharm. Assoc. 15, 173 (1926).

Chemical structure

Properties

Liquid. d420 1.9336. bp760 140-143°; bp75 75-76°; bp18 42-43°. nD20 1.5157. May be distilled under atmospheric pressure with very slight decompn, but becomes highly colored on standing in glass-stoppered bottle.