Cuprous bromide CAS#7787-70-4
Excellent Thermal Stability: Cuprous bromide has a high melting point (498 °C) and boiling point (1345 °C), ensuring stable performance under elevated temperature conditions.
Good Chemical Compatibility: It readily dissolves in hydrochloric acid, hydrobromic acid, and ammonia to form complexes, making it suitable for various chemical synthesis and reaction systems.
Controlled Solubility for Process Precision: Slight solubility in cold water and decomposition only under specific conditions (hot water or nitric acid) allow for better control during industrial and laboratory applications.
High Purity and Crystalline Form: Appearing as a white powder or cubic crystal, cuprous bromide offers consistent quality, ease of handling, and reliability in precision chemical processes.
Products Description of Cuprous Bromide CAS#7787-70-4
Cuprous bromide appears as a white powder or cubic crystalline solid. It has a melting point of 498 °C and a boiling point of 1345 °C. The compound dissolves in hydrochloric acid, hydrobromic acid, and aqueous ammonia, forming complex compounds. It is only slightly soluble in cold water, decomposes when exposed to hot water or nitric acid, and is 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 is an important chemical intermediate with a wide range of applications. It is commonly used in color photography, laser material preparation, and as a chemical reagent. In organic synthesis, it serves as a catalyst, while in the pigment and dye industries it functions as a reducing agent. In addition, cuprous bromide is utilized in batteries, electroplating processes, and pharmaceutical manufacturing.
