Ferrous Sulfate Mono/Hepta Synonymy Ferrous sulphate M.Formula FeSO4 CAS No. 7720-78-7/7782-63-0 Ferrous sulfate monohydrate Specification Test/Property Specification Main Content (FeSO4.H2O) 91.0% Min Ferrous (Fe2+) 31.0% Min Lead (Pb) 20 ppm Max Cadmium (Cd) 10 ppm Max Arsenic (As) 2 ppm Max Mercury (Hg) 2 ppm Max Ferrous sulfate Use -Feed supplement. -Trace element or micronutrient in fertilizers. -Reducing agent in the treatment of hazardous wastes. -Use for cement production for reducing hexavalent chromium content. -Others. Handling/Storage/Toxicity Handling No special precautions necessary if used correctly. Storage Sealed, in cool and dry place Toxicity Non toxic Package 25kgs or 50lbs pp woven bag. 1000-1300kgs Tote. Or as customer’s requested.Kindly contact us at kaihope at pekchem dot com, thank you.