Nomenclature
CAS number: 7787-70-4
BrCu; mol wt 143.45.
Br 55.70%, Cu 44.30%.
CuBr.
Description and references
Prepn: Briggs, J.
Chem. Soc. 127, 496 (1925); Keller, Wycoff, Inorg. Synth. 2, 3 (1946); Wagner,
Wagner, J. Chem. Phys. 26, 1597 (1957).
Properties
White powder or cubic crystals, (zinc blende structure);
turns green to dark-blue on exposure to sunlight. mp 504°; bp 1345°; d425 4.72. Slightly sol in cold
water, dec in hot water, HNO3. Sol in HCl, HBr, NH4OH with formation of complexes. Practically insol in acetone,
concd H2SO4. Keep tightly
closed in a dark place.Use
As catalyst for organic reactions.