| Formula | FeSO4*7H2O |
| Molecular Wt. | 132.14 g/mol |
| CAS-No. | 7782-63-0 |
| Particular | Limits | Result |
|---|---|---|
| Assay as a FeSO4 (titr.) | 90-95.00 % | 94.5% |
| Appearance | Greenish Crystalline Powder | Passes test |
| Fe | 19.00% +- 1% | 19.7% |
| Heavy Metals | Max 0.1% | 0.09% |
| pH of 10% Solution | 3-5 | 4.5 |
| Water insoluble matter | Max 0.1% | 0.05% |