... 7 , 13463-43-9 Assay: 30%, 98%,99% Ferrous sulfate monohydrate & heptahydrate CHEMICAL NAME:iron(2+) sulfateCAS ... 78-7 , 13463-43-9Details: Ferrous Sulfate Monohydrate Items Ferrous Sulfate Monohydrate powder Ferrous Sulfate Monohydrate Granular Fe30% Min19% ... MinPb20ppm Max20ppm MaxCd15ppm Max20ppm MaxAs10ppm Max20ppm MaxSize60Mesh 90%min Ferrous Sulfate Heptahydrate Iron vitriol is a side product ...