chemical formula for ferrous sulfate Feso4.7h2o

Industrially,ferrous sulphate is mainly used as a precursor to other iron compounds.It is a reducing agent,for the reduction of chromate in cement. 

Nutritional Supplement

Together with other iron compounds,ferrous sulphate is used to fortify foods and treat iron-deficiency anemia.Constipation is a frequent and uncomfortable side effect associatedwith the administration of oral supplements.Stool softeners often are bprescribed to prevent constipation.

Colorant

Ferrous sulphate can also be used to stain concete and some limetones and sandstones a yellowish rust color.

Water Treatment

Ferrous sulphate has been applied for the purification of water by flocculation and for phosphate removal in municipal and industrial sewage treatment plants to prevent eutrophication of surface water bodies.