| M Formula: | CuBr or Cu2Br2 |
| Properties: | |
| White, crystalline solid becoming green in light. Mp 500 C; d 4.71. Soluble in hydrochloric acid and ammonium hydroxide; decomposes in hot water; insoluble in acetone and sulfuric acid. Protect from light when stored. | |
| Use: | |
| Catalyst in organic reactions. | |