Magnesium Sulphate Heptahydrate EP/BP
| Product Name: | Magnesium Sulphate Heptahydrate EP/BP |
| Product Formula: | MgSO4.7H2O |
| Molecular Weight: | 246.5 |
| CAS Number: | 10034-99-8 |
| No. | Tests | Specifications | Reference |
|---|---|---|---|
| 1 | Appearance | A white or almost white, crystalline powder or brilliant, colourless crystals. | EP/BP |
| 2 | Solubility | Freely soluble in water, very soluble in boiling water, practically insoluble in ethanol (96 %). | EP/BP |
| 3 | Identification: A. Reaction of sulphates B. Reaction of magnesium |
Shall pass the test Shall pass the test |
EP/BP |
| 4 | Appearance of solution | Clear and colorless | EP/BP |
| 5 | Acidity or alkalinity | Shall pass the test | EP/BP |
| 6 | Chlorides | Max. 300 ppm | EP/BP |
| 7 | Arsenic | Max. 2 ppm | EP/BP |
| 8 | Iron | Max. 20 ppm | EP/BP |
| 9 | Heavy metals | Max. 10 ppm | EP/BP |
| 10 | Loss on drying | 48.0 % to 52.0% | EP/BP |
| 11 | Assay as MgSO4 (On dried substance) | 99.0 % to 100.5 % | EP/BP |
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.
