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Copper(II) Bromide

Other Names:

Cupric bromide

General Information:


CAS Number: 7789-45-9

Molecular Weight: 223.37 g/mol

Appearance: Grayish black crystals

Chemical Formula: CuBr2

Melting Point: 498 C

Common Uses:

Reagent for Sandmeyer reactions where bromide products are desired

Procedure excerpt:

. . . the mixture was poured into a solution of CuBr2 (20.0 g, 142 mmol) in aq HBr at 0 C. The reaction was stirred at 50 C for 3 h. Upon completion, the reaction mixture was . . .

[full procedure]


1) Patent Reference: WO2014149164, page 269, (23.7 MB)

2) Coates, R. M.; Denmark, S. E.; Handbook of Reagents for Organic Synthesis, Reagents, Auxiliaries, and Catalysts for C-C Bond Formation

3) Wikipedia: Copper(II) bromide (link)

4) Copper(II) bromide (link)