Common Name: Copper(I) bromide Synonyms: Cuprous bromide Chemical Name: Copper(I) bromide CAS Number: 7787-70-4 EINECS: 232-131-6 Molecular Formula: BrCu Molecular Weight: 143.450 Density: 4.71 g/mL Boiling Point: 1345 °C Melting Point: 504 °C Flash Point: 1345 °C Appearance: White cubic crystalline powder, hygroscopic and turns into green to dark blue powder; slowly oxidizes to green powder in air. Solubility: Soluble in hydrobromic acid, hydrochloric acid, nitric acid, and ammonia. Decomposes in hot water. Insoluble in acetone, acetic acid, and boiling concentrated sulfuric acid. Uses: 1. Used as a raw material in organic synthesis and as a reaction catalyst. 2. Used as an analytical reagent and catalyst. 3. Applied in color photography, batteries, organic reaction catalysis, and as a nylon stabilizer. 4. Organic reaction catalyst.