CASR |
: | 10035-04-8 |
Molecular Formula |
: | CaCl2.2H2O |
Molecular Weight |
: | 147.02 |
| Specifications | |
|---|---|
| Description: | A white , crystalline powder or fragments or granules; odourless; hygroscopic. |
| Solubility: | Freely soluble in water, soluble in ethanol (95%). |
| Identification A (Calcium1): | A white, crystalline precipitate should form. |
| Identification A (Calcium 2): | A white precipitate that sparingly soluble in dilute acetic acid but soluble in hydrochloric acid should form. |
| Identification B (Chloride): | A curdy white precipitate insoluble in dilute nitric acid but soluble in dilute ammonia should form. |
| Appearance of solution: | Solution should be clear and not more intensely coloured than the reference solution YS6. |
| Acidity or Alkalinity: | Not more than 0.2 mL of 0.01M sodium hydroxide or 0.01M of hydrochloric acid should require. |
| Arsenic: | NMT 3 ppm |
| Aluminium and phosphate: | No turbidity or precipitate should form. |
| Barium(Ba): | A solution should not be more opalascent than standard. |
| Heavy metals: | NMT 10ppm |
| Iron(Fe): | NMT 20ppm |
| Magnesium and alkali salts: | NMT 1.0% |
| Sulfates: | NMT 300 ppm |
| Assay: | 97.0% - 103.0% |
