Products Description of Cuprous Bromide CAS#7787-70-4
Cuprous bromide is a white powder or cubic crystalline solid. Its melting point is 498°C, and its boiling point is 1345°C. The compound is soluble in hydrochloric acid, hydrobromic acid, and ammonia solution, with which it forms complex species. It exhibits limited solubility in cold water, undergoes decomposition in hot water or nitric acid, and remains insoluble in propyl acetate and concentrated sulfuric acid.
Cuprous bromide Chemical Properties
| Melting point | 504 °C(lit.) |
| Boiling point | 1345 °C |
| Density | 4.71 g/mL at 25 °C(lit.) |
| Fp | 1345°C |
| Storage temp | Keep in dark place,Inert atmosphere,Room temperature |
| Solubility | insoluble in acetone |
| Form | Powder |
| Color | Pale green to green |
| Specific Gravity | 4.98 |
| Water Solubility | Soluble in hydrogen bromide, hydrochloric acid, and ammonium hydroxide. Slightly soluble in water. Insoluble in acetone. |
| Sensitive | Air Sensitive |
| Crystal Structure | Hexagonal, Wurtzite (Zincite) Structure - Space Group P 63mc |
| Merck | 142,659 |
| Solubility Product Constant (Ksp) | pKsp: 8.2 |
| Exposure limits | ACGIH: TWA 1 mg/m3 |
| NIOSH: IDLH 100 mg/m3; TWA 1 mg/m3 | |
| Stability | Stable, but may be air or light sensitive. Incompatible with alkali metals, strong oxidizing agents. |
| InChIKey | NKNDPYCGAZPOFS-UHFFFAOYSA-M |
| CAS DataBase Reference | 7787-70-4(CAS DataBase Reference) |
| NIST Chemistry Reference | Copper(I) bromide(7787-70-4) |
| EPA Substance Registry System | Copper bromide (CuBr) (7787-70-4) |
Safety Information
| Hazard Codes | Xi |
| Risk Statements | 36/37/38-22 |
| Safety Statements | 22-24/25-26-37/39 |
| RIDADR | 3260 |
| WGK Germany | 3 |
| F | 2008/10/23 |
| TSCA | Yes |
| HazardClass | 8 |
| PackingGroup | III |
| HS Code | 28275900 |
| Hazardous Substances Data | 7787-70-4(Hazardous Substances Data) |
Product Application of Cuprous Bromide CAS#7787-70-4
Cuprous bromide serves as a significant chemical intermediate with broad utility across various fields. It is frequently employed in color photography, the synthesis of laser materials, and as a laboratory reagent. In organic synthesis, it acts as a catalyst, and within the pigment and dye sectors, it functions as a reducing agent. Additionally, cuprous bromide finds use in battery production, electroplating operations, and pharmaceutical manufacturing.
