Ferrous Sulphate Monohydrate 1)FeSO4.7H2O%,91%;Fe,30% 2)package,25kg/bag 3)Usage,Feed Minerals&Trace elements Ferrous sulfate monohydrate Molecular ... used for accessorysubstance ,6)as raw material for the synthesis of hemoglobin ,7)as Food colorant.Specifications: ItemFerrous sulfate monohydrateFerrous ... plastic lining,or according to your requirements. Hot sale!! Ferrous Sulphate Monohydrate