| 1 | Description | White crystalline powder. Is deliquescent and hygroscopic. | white, hard, odorless fragments or granules or crystalline powder. Is deliquecent and hygroscopic. | USP/ Ph.Eur |
| 2 | Solubility | Complies | Freely soluble in water, in alcohol and in boiling alcohol; Very soluble in boiling water Soluble in ethanol (96%) | USP/ Ph.Eur |
| 3 | Appearance of solution | Complies | Solution should be clear and not more intensely coloured than reference solution Y6. | Ph.Eur |
| 4 | Identification (Calcium 1) | Complies | Precipitate should insoluble in 6N acetic acid while soluble in hydrochloric acid | USP |
| 5 | Identification (Calcium 2) | Complies | The chloroform layer should coloured red. | Ph.Eur |
| 6 | Identification (Calcium 3) | Complies | A white crystalline precipitate should form. | Ph.Eur |
| 7 | Identification (Chloride) | Complies | A curdy white precipitate should insoluble in nitric acid but soluble in 6N ammonium hydroxide | USP/ Ph.Eur |
| 8 | pH (5% aq soln) | 5.25 | 4.5 - 9.2 | USP |
| 9 | Assay | 100.9% | 99.0% - 107.0% of CaCl2.2H2O | USP |
| 10 | Acidity or Alkalinity | 0.1 mL of 0.01 M sodium hydroxide required | Not more than 0.2 mL of 0.01 M sodium hydroxide or 0.01M Hydrochloric acid should require to turn solution red | Ph.Eur |
| 11 | Iron, Aluminum & Phosphate | Complies | No turbidity or precipitate should produce. | USP |
| 12 | Magnesium & alkali metals | 0.16% | NMT 0.5% | Ph.Eur |
| 13 | Sulfates | Less than 300 ppm | NMT 300ppm | Ph.Eur |
| 14 | Barium(Ba) | Complies | Any opalescence in the solution is not more intense than reference solution | Ph.Eur |
| 15 | Iron (Fe) | Less than 10 ppm | NMT 10ppm | Ph.Eur |