... : pale yellow powder, granule Content: 91% Fe: 30.0% Ferrous Sulphate monohydrate FeSO4 H2O CAS No. :13463-43-9H.S. Code ... ) monohydrate; Iron sulfate monohydrate (FeH2O5S); Iron(2+) sulfate monohydrate; Iron(II) sulfate monohydrate; Sulfuric acid iron salt (1:1) monohydrate Physical ... , L/C at sight, Origin: Sichuan,ChinaSample Availability: Yes Ferrous Sulphate monohydrate FeSO4.H2O 91%