Copper(II) bromide (CuBr2)-Powder

Characteristic

Copper(II) bromide (CuBr₂) is a chemical compound.

Chemical formula：CuBr₂

Molar mass：223.37 g/mol

Appearance：grayish black crystals；deliquescent

Density：4.710 g/cm³, solid

Melting point：498 °C (928 °F; 771 K)

Boiling point：900 °C (1,650 °F; 1,170 K)

Solubility in water：55.7 g/100 mL (20 °C)

Solubility in [[alcohol, acetone, ammonia]]：soluble

Solubility in [[benzene, ether, ethyl ether, sulfuric acid]]：insoluble

Magnetic susceptibility (χ)：+685.5•10−6 cm³/mol

Application

Copper(II) bromide is used in photographic processing as an intensifier and as a brominating agent in organic synthesis. It is also used in the coupling of o-iodophenols and aryl acetylenes avoiding the use of palladium. It finds application in the preparation of NK1/NK2 receptor antagonists used in the regulation of tachykinin.