1、Chemical Name:  FERROUS SULFATE

2、Molecular Formula : FeSO₄·7H₂O, FeSO₄·nH₂O

3、Molecular Weight: 278.02(Heptahytrate), 151.91(Monohydrate)

4、CAS: 7782-63-0(Heptahydrate), 7720-78-7(Monohydrate)

5、Character:

Heptahydrate:Pale,blue-green crystals or granules that are efflorescent in dry air.In moist air,it oxidizes readily to form a brown-yellow,basic ferric sulfate. It’s soluble in water, insoluble in ethanol.

Dried: It’s gray-white to beige powder.with astringency.It is mainly composed of FeSO₄·H₂O and contains a few of FeSO₄·4H₂O.It’s slowly soluble in cold water (26.6 g / 100 ml, 20 ℃), It will be dissolved quickly when heating.It's insoluble in ethanol.Almost insoluble in 50% sulfuric acid.

6、Usage: It is used as nutrient, fruit and vegetable chromogenic reagent.

7、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.

8、Storage and Transport: It should be stored in a dry and ventilating 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.