Cuprous Bromide

Title: Cuprous Bromide
CAS Registry Number: 7787-70-4
Molecular Formula: BrCu
Molecular Weight: 143.45
Percent Composition: Br 55.70%, Cu 44.30%
Line Formula: CuBr
Literature 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.
Melting point: mp 504°
Boiling point: bp 1345°
Density: d425 4.72
Use: As catalyst for organic reactions.
Cuprous Chloride Cuprous Cyanide Cuprous Iodide Cuprous Mercuric Iodide Cuprous Oxide