1.Chemical name: Ferrous Sulfate
2.Molecular formula: FeSO4..7H2O
3.Molecular weight: Heptahydrate 278.03
4.Cas No.:7782-63-0
5.Character: Heptahydrate. it is blue-green crystals or granules, odorless with astringency. In dry air . It's efflorescent. In moist air, it oxidizes readily to form  a brow-yellow , basic ferric sulfate. It's soluble  in water, insoluble in ethanol.
6.Usage: It is used as nutritional supplement( iron fortifier)and fruit and vegetable colorant.
7.Packing: It is packed with polyethylene bag as inner layer and a compound plastic woven bag as outer layer. The net weight of each bag is 25kg
8.Storage and transport: It should be stored in a dry and ventilative warehouse. Kept away from heat and moisture during transportation. Unloaded with care so as to avoid damage. Further more, it must be stored separately from poisonous substances.