| Calcium bromide | |
|---|---|
| IUPAC name |
Calcium bromide
|
| Other names | Calcium dibromide |
| Identifiers | |
| CAS number | 7789-41-5  ,22208-73-7 (dihydrate) |
| PubChem | 24680 |
| RTECS number | EV9328000 |
| SMILES |
[Ca+2].[Br-].[Br-]
|
| InChI |
1/2BrH.Ca/h2*1H;/q;;+2/p-2
|
| InChI key | WGEFECGEFUFIQW-NUQVWONBAA |
| ChemSpider ID | 23010 |
| Properties | |
| Molecular formula | CaBr2 |
| Molar mass | 199.89 g/mol (anhydrous) 235.98 g/mol (dihydrate) |
| Appearance | Odorless, very hygroscopic colorless crystals sharp saline taste |
| Density | 3.353 g/cm3 |
| Melting point |
730 °C |
| Boiling point |
1935 °C (anhydrous) |
| Solubility in water | 125 g/100 mL (0 °C) 143 g/100 ml (20°C) 312 g/100 mL (100 °C) |
| Solubility in alcohol, acetone | soluble |
| Acidity (pKa) | 9 |
| Structure | |
| Crystal structure | rhomboid |
| Hazards | |
| Main hazards | Decomposes on heating at high temperature producing toxic and corrosive fumes |
| NFPA 704 |
 0
1
0
|
| LD50 | 4100 mg/kg (rat, oral) 1580 mg/kg (mouse, subcutaneous) |
| (what is this?) (verify) Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) |
|
| Infobox references | |
Calcium bromide (CaBr2) is a chemical compound of calcium and bromine. In its solid state, it is a white powder. CaBr2 can be found in drilling fluids, neuroses medication, freezing mixtures, food preservatives, photography and fire retardants.[1]
When strongly heated in air, calcium bromide will produce lime and bromine.
References
- ^ "Chemical Land 21". http://www.chemicalland21.com/industrialchem/inorganic/CALCIUM%20BROMIDE.htm. Retrieved 25 December 2008.
External links
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