| Chemical Formula | ZnSO4 |
|---|---|
| CAS No. | 7446-19-7 |
| Molecular weight of ZnSO4 | 161.44 g/mol |
| Appearance | White Powder |
| Density of Zinc Sulphate | 3.54 g/cm3 |
| Flashpoint of Zinc Sulphate | Non-Flammable |
| Melting Point of Zinc Sulphate | 680 °C |
| Boiling Point of Zinc Sulphate | 740 °C |
| Water Solubility | Soluble |
| Tests | Specifications |
|---|---|
| Assay | 99.0 - 100.5% |
| Free Acid | pH > 4.4 |
| Loss on Drying | 33.0 - 36.5% |
| Lead (Pb) | Less than 10 ppm |
| Cadmium (Cd) | Less than 5 ppm |
| Arsenic (As) | Less than 3 ppm |
| Mercury (Hg) | Less than 2 ppm |
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