Zinc bromide
Zinc bromide is a chemical compound. Its chemical formula is ZnBr2. It contains zinc and bromide ions.
| Zinc bromide | |
|---|---|
| |
| |
| IUPAC name | Zinc bromide |
| Other names | Zinc(II) bromide, Zinc dibromide |
| Identifiers | |
| CAS number | |
| PubChem | |
| RTECS number | ZH1150000 |
| SMILES | Br[Zn]Br |
| Properties | |
| Molecular formula | ZnBr2 |
| Molar mass | 225.198 g/mol |
| Appearance | white crystalline powder hygroscopic |
| Density | 4.20 g/cm3 (20 °C) 4.22 g/cm3 (25 °C) |
| Melting point |
394 °C, 667 K, 741 °F |
| Boiling point | |
| Solubility in water | 311 g/100 mL (0 °C) 447 g/100 mL (20 °C)[1] 538 g/100 mL (100 °C)[2] |
| Solubility | very soluble in alcohol, ether, acetone, tetrahydrofuran |
| Refractive index (nD) | 1.5452 |
| Hazards | |
| NFPA 704 |
0
3
0
|
| Flash point | Non-flammable |
| Related compounds | |
| Other anions | Zinc fluoride, Zinc chloride, Zinc iodide |
| Other cations | Cadmium bromide, Mercury(II) bromide, Calcium bromide |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) | |
Properties
Zinc bromide is a colorless solid. It dissolves in water. It makes an acidic solution.
Preparation
It can be made by reacting barium bromide with zinc sulfate. This forms barium sulfate which can be filtered out. It can also be made by reacting zinc with bromine. It can also be made by reacting zinc with hydrogen bromide or hydrobromic acid.
Uses
It can be used in organic chemistry. It can be used as a shield against radiation. There is a battery that uses zinc bromide.
Related pages
References
- ↑ Patnaik, P. (2003). Handbook of Inorganic Chemicals. McGraw-Hill Professional. ISBN 0-07-049439-8.
- ↑ "Zinc Bromide". Chemicalland21.