CASR |
: | 10035-04-8 |
Molecular Formula |
: | CaCl2.2H2O |
Molecular Weight |
: | 147.02 |
| Specifications | |
|---|---|
| Description: | White, hard, odorless fragments or granules or crystalline powder. Is deliquecent and hygroscopic. |
| Solubility: | Freely soluble in water, in alcohol and in boiling alcohol; Very soluble in boiling water Soluble in ethanol (96%) |
| Appearance of solution: | Solution should be clear and not more intensely coloured than reference solution Y6. |
| Identification (Calcium 1): | Precipitate should insoluble in 6N acetic acid while soluble in hydrochloric acid |
| Identification (Calcium 2): | The chloroform layer should coloured red. |
| Identification (Calcium 3): | A white, crystalline precipitate should form |
| Identification (Chloride): | A curdy white precipitate should insoluble in nitric acid but soluble in 6N ammonium hydroxide |
| pH (5% aq soln): | 4.5 - 9.2 |
| Assay: | 99.0% - 107.0% of CaCl2.2H2O |
| Aluminium (Al): | No turbidity or precipitate should form |
| Acidity or Alkalinity: | Not more than 0.2 mL of 0.01 M sodium hydroxide should require. |
| Iron, Aluminum & Phosphate: | No turbidity or precipitate should produce. |
| Magnesium & alkali metals: | NMT 0.5% |
| Sulfates: | NMT 300ppm |
| Barium(Ba): | Any opalescence in the solution is not more intense than reference solution |
| Iron (Fe): | NMT 10ppm |
