Ferrous sulfate, also known as iron (II) sulfate or iron sulfate, is an inorganic compound with the chemical formula FeSO4. It is a white crystalline solid that is highly soluble in water. Ferrous sulfate has been used for centuries in the treatment of iron deficiency and related conditions due to its high iron content. It continues to be widely used today both as a nutritional supplement and as a reagent for many industrial applications.
