... ,50kg /woven bag (customizable) Sulfuric Acid Specifications: Product Name:Ferrous Sulphate Synonyms: Iron (II) Sulfate, Green Vitriol, Copperas Chemical Formula ... green crystalline Ordorless,soluble in water,slightly soluble in alcohol,soluble in methanol without water 1. Usage: FeSO4.H2O ... in a cool and dry place; avoid contact sunshine ,water and moisture; avoid contact with strong acid, oxidants ...