Chemical Name: | Ferrous sulfate |
Molecular Formula: | FeSO4·7H2O |
Molecular Weight: | 278.02 |
CAS: | 7720-78-7 |
Character: | Gray and turquoise single monoclinic system crystalline powder or granule. Inodorous, taste salty. Easily airslake in dry air, it is easy to oxidize to brown yellow alkalescence ferric sulphate. Soluble in water, insoluble in ethanol. |
Uses: | It is used as nutrition supplement, fruit and vegetable chromogenic reagent. |
Packing: | It is packed with plastic bag as inner layer, and a compound plastic woven bag as the outer layer. The net weight of each bag is 25kg. |
Storage & Transportation: | It should be stored in a dry and ventilative warehouse, kept away form water and moisture during transport, unloaded with care so as to avoid damage to bags. Furthermore, it should be stored separately from poisonous substances. |
Quality index: | Quality index | FAO/WHO,1999 | Assay (FeSO4·7H2O) ≥% | 99.5~104.5 | Pb (atomic absorption method) ≤% | 0.0002 | Hg≤% | 0.0001
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