Ferrous Sulphate Monohydrate/ Ferrous Sulphate Mono Powder Feed grade Molecular Formula: FeSO4.H2O Molecular Weight: 278.01 CAS No.: 7720-78-7 PHYSICAL DESCRIPTION/ PROPERTIES Mol Weight: 278.01 Appearance: Powder or granular Standards HG/ 2935-2006 HS NO.: 28332910 Purity: 91% Fe: 30% Min