| Article No. | 04477 |
| Purity | 99% |
| Molecular Formula | MgSO4.7H2O |
| H.S. Code | 2833.2100 |
| Grade | Extra Pure |
| CAS No. | 10034-99-8 |
| Molecular Weight | 246.47 |
| Shelf Life | 60 Months |
Symbol:
| Physical state at 20 °C | Solid | Colour | Colorless crystals | ||||
| Odour | Odorless | pH value | 5 - 8 at 50 g/l | ||||
| Decomposition point [°C] | >150°C | Vapour pressure [20°C] | < 0.133 hPa at 20 °C | ||||
| Density [g/cm3] | 1.678 | Solubility in water [% weight] | 246.48 g/l at 20 °C - completely soluble | ||||
| Appearance | Colorless crystals or a white, crystalline powder | Assay (on dried basis) | 99.0 - 100.5% |
| Solubility | Freely soluble in water, very soluble in boiling water, practically insoluble in alcohol | Identifications | To comply IP, BP, USP tests |
| Appearance of solution | To comply IP, BP, USP tests | pH (5% solution in water) | 5.0 - 9.2 |
| Acidity or alkalinity | To comply IP, BP test | Chloride (Cl) | Max. 0.014% |
| Heavy metal (as Pb) | Max. 0.001% | Arsenic (As) | Max 0.0002% |
| Iron (Fe) | Max 0.002% | Selenium (Se) | Max 0.003% |
| Loss on drying (at 450°C) | 48.0 - 52.0% |
EN 