7720-78-7 7782-63-0 CCRIS 7331 Caswell No. 460 EPA Pesticide Chemical Code 050502 FERROUS SULFATE HEPTAHYDRATE Ferrous sulfate hepathydrate Ferrous sulfate, heptahydrate Fesofor Fesotyme Haemofort Iron protosulfate Iron sulfate heptahydrate Iron(2+) sulfate (1:1) heptahydrate Iron(2+) sulfate heptahydrate Iron(II) sulfate (1:1), heptahydrate Iron(II) sulfate heptahydrate Ironate Irosul Melanterite mineral Presfersul Siderotil mineral Sulfuric acid, iron(2+) salt (1:1), heptahydrate Szomolnikite mineral Tauriscite mineral