Water Treatment Chemicals Price Heptahydrate Ferrous Sulphate CAS 7720-78-7
Specifications
| Physical and Chemical Properties | |
| Appearance and physical state | Greenish or yellow-brown crystalline solid |
| Boiling point | 330ºC at 760 mmHg |
| Melting point | 64ºC(-3H2O) |
| Density | 1.897(15ºC) |
| Sensitivity | Air sensitive and hygroscopic |
| Solubility | Soluble in water and glycerol, insoluble in ethanol. |
| Flammability | Nonflammable, irritating. |
| Stability | Stable.substances to be avoided include strong oxidizing agents. |
| Storage | 2-8ºC. In the low temperature, ventilated, dry warehouse, separated from food raw materials. |
| Item | Index |
| Total Ferrous sulfate/% ≥ | 98.0 |
| Iron(FE)/% ≥ | 19.7 |
| Pb ppm/% ≤ | 20 |
| Cd/% ≤ | 10 |
| Arsenic(As)/% ≤ | 2 |
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