Magnesium Sulphate IP
| Product Name: | Magnesium Sulphate IP |
| Product Formula: | MgSO4.7H2O |
| Molecular Weight: | 246.5 |
| CAS Number: | 10034-99-8 |
| No. | Tests | Specifications | Reference |
|---|---|---|---|
| 1 | Description | Colorless crystals or a white, crystalline powder | IP |
| 2 | Solubility | Very soluble in boiling water; freely soluble in water; practically insoluble in ethanol (95 %) | IP |
| 3 | Identification: A. Reaction of sulphates B. Reaction of magnesium salts |
Shall pass the test Shall pass the test |
IP |
| 4 | Appearance of solution | Clear and colorless | IP |
| 5 | Acidity or alkalinity | Shall pass the test | IP |
| 6 | Arsenic | Max. 2 ppm | IP |
| 7 | Heavy metals | Max. 10 ppm | IP |
| 8 | Iron | Max. 200 ppm | IP |
| 9 | Chlorides | Max. 300 ppm | IP |
| 10 | Loss on drying | 48.0 % to 52.0% | IP |
| 11 | Assay as MgSO4 (On dried basis) | 99.0 % to 100.5 % | IP |
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.
