FeSO4nH2O

FeSO4nH2O, also known as iron(II) sulfate, is a chemical compound with the formula FeSO4·nH2O, where n represents the number of water molecules associated with the iron(II) sulfate. It is a hydrated salt of iron(II) and sulfuric acid. The most common forms of FeSO4nH2O are the heptahydrate (FeSO4·7H2O) and the monohydrate (FeSO4·H2O).

Iron(II) sulfate is typically prepared by the reaction of iron with sulfuric acid. It is a pale green, crystalline solid that is soluble in water. The compound is often used as a precursor to other iron compounds and as a reducing agent in various chemical reactions.

The heptahydrate form of FeSO4nH2O is used in the production of other iron compounds, such as iron(III) sulfate, and as a source of iron in fertilizers. It is also used in the treatment of iron deficiency anemia, as it can be absorbed through the gastrointestinal tract.

The monohydrate form of FeSO4nH2O is used in the production of other iron compounds and as a reducing agent in various chemical reactions. It is also used in the treatment of iron deficiency anemia, as it can be absorbed through the gastrointestinal tract.

Iron(II) sulfate is a toxic compound and should be handled with care. It can cause skin and eye irritation, and inhalation of the dust can cause respiratory irritation. It is also a corrosive substance and can cause burns to the skin and eyes.