| Tests | | Specifications | | Reference |
| Description
| | White, practically odourless granules or powder | | USP |
| | | | |
| Solubility | | Soluble in water; practically insoluble in alcohol | | USP |
| | | | |
| Identification | | | | USP |
| | | | |
| a. Tests for calcium
| | Shall pass the test | | USP |
| | | | |
| b. Infrared Absorption
| | Shall pass the test | | USP |
| | | | |
| Acidity | | Shall pass the test | | USP |
| | | | |
| Loss on drying
| | 22.0% to 27.0%
| | USP |
| | | | |
| Volatile fatty acid | | Shall pass the test
| | USP |
| | | | |
| Heavy metals
| | Not more than 0.002% | | USP |
| | | | |
| Limit of magnesium and
alkali salts | | Not more than 1.0% | | USP |
| | | | |
| Assay as C6 H10 CaO6 (On dried basis)
| | 98.0% - 101.0% | | USP |
| | | | |
| | |
| Storage: | | Store in a well-closed container at a temperature not exceeding 25°C, protected from direct sunlight and Moisture, unless otherwise specified |
| | |
| Retest Period: | | 3 years from the date of manufacture |
| | |