Name:  Ferrous sulfate

Synonyms:  Iron(II) sulfate

Molecular Formula:  FeSO₄

Molecular Weight:  151.91

CAS Number:  7720-78-7

EINECS:  231-753-5

 

Iron(II) sulfate (Iron(II) sulphate) or ferrous sulfate (ferrous sulphate) is the chemical compound with the formula (FeSO₄), known since ancient times as copperas. Ferrous sulfate is most commonly encountered as the blue-green heptahydrate. Together with other iron compounds, ferrous sulfate is used to fortify foods and to treat iron-deficiency anemia. Copperas was given indiscriminately by untrained persons to slaves in the 18th and 19th centuries for various ailments. Constipation is frequent and uncomfortable side effects associated with the administration of oral iron supplements. Stool softeners often are prescribed to prevent constipation.

Ferrous sulfate provides the iron needed by the body to produce red blood cells. Ferrous sulfate is used to treat or prevent iron-deficiency anemia, a condition that occurs when the body has too few red blood cells because of pregnancy, poor diet, excess bleeding, or other medical problems. Ferrous sulfate is sometimes prescribed for other uses; ask your doctor or pharmacist for more information.