... 91%,98% 3. Package: 25kg,50kg /woven bag (customizable) Sulfuric Acid Specifications: Product Name:Ferrous Sulphate Synonyms: Iron (II) Sulfate, Green ... 03 CAS No.: 7782-63-0 (Heptahydrate),17375-41-6(Monohydrate) EINECS NO.: 231-753-5 H.S Code: 2833291000 ... avoid contact sunshine ,water and moisture; avoid contact with strong acid, oxidants or poisonous substances. Exposure to moisture will make it ...