China Water Treatment Chemicals Price Heptahydrate Ferrous Sulphate CAS 7720-78-7, Find details about China Ferrous Sulphate Heptahydrate, Price Ferrous Sulphate from Water Treatment Chemicals Price Heptahydrate Ferrous Sulphate CAS 7720-78-7
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 |