Product Description
Zinc bromide (CAS No. 7699-45-8) is an inorganic zinc compound that appears as a white, crystalline powder with strong hygroscopic properties. It has a relative density of approximately 4.5, a melting point of about 394°C, and a boiling point of around 650°C.
Zinc bromide dissolves readily in water, alcohol, ether, and acetone, providing excellent compatibility with various solvent systems. Its stable chemical properties and high solubility make it suitable for a wide range of laboratory and industrial processes.
In chemical applications, zinc bromide is commonly used as an analytical reagent and as a functional component in specialized chemical formulations. It is also an important material in photographic technology, where it is used for the preparation of silver bromide photographic emulsions.
In the petroleum industry, zinc bromide solutions are utilized as high-density completion fluids and cementing fluids, particularly in offshore oilfield operations. In addition, zinc bromide is applied in battery electrolyte systems, pharmaceutical manufacturing, synthetic fiber treatment, and nuclear technology-related applications.
With its excellent solubility, thermal stability, and versatile chemical performance, zinc bromide serves as a valuable zinc-based material for advanced industrial, research, and specialty applications.
Zinc bromide Chemical Properties
| Melting point | 394 °C (lit.) |
| Boiling point | ~670 °C/1 atm (lit.) |
| Density | 4.22 |
| Refractive index | 1.5452 |
| Fp | 650°C |
| Storage temp. | Store below +30°C. |
| Solubility | Soluble in alcohol, ether, acetone and tetrahydrofuran. |
| Form | beads |
| Color | White to pale cream |
| Specific Gravity | 4.2012 |
| PH | 4 (H2O, 20℃)(saturated solution) |
| Water Solubility | soluble, 447 g/100 mL (20 ºC) |
| Sensitive | Hygroscopic |
| Merck | 141,029 |
| Stability | Stable. Forms explosive mixtures with sodium and potassium. Protect from moisture. |
| CAS DataBase Reference | 7699-45-8(CAS DataBase Reference) |
| NIST Chemistry Reference | Zinc dibromide(7699-45-8) |
| EPA Substance Registry System | Zinc bromide (77699-45-8) |
Safety Information
| Hazard Codes | C,N |
| Risk Statements | 34-50/53-50-51/53-43-22 |
| Safety Statements | 26-36/37/39-45-60-61-29 |
| RIDADR | UN 3260 8/PG 3 |
| WGK Germany | 3 |
| RTECS | ZH1150000 |
| F | 3-21 |
| TSCA | Yes |
| HS Code | 2827 59 00 |
| HazardClass | 8 |
| PackingGroup | II |
| Hazardous Substances Data | 7699-45-8(Hazardous Substances Data) |
