1.ferrous sulphate fertilizer 2.cas:7782-78-7 3.purity:98% 4.factory.output 10000tons per month ferrous sulphate fertilizer[Product Name]: Ferrous Sulfate [Molecular Formula]: FeSO4.7H2O[Packing]: plastic lined woven bag .[ Weight]: 25kg/bag. [Properties]: Ferrous sulfate is blue green monoclinic crystal or grain, used in pesticide, pigment, medicine, or reagent of chromatographic analysis [ ...