Iron sulfate is a chemical compound made up of iron, sulfur, and oxygen. It typically appears as a greenish or yellowish crystalline solid and is often used in various applications, including agriculture, water treatment, and as a dietary supplement. In agriculture, it helps improve soil quality and provides essential nutrients for plants. In addition to its agricultural uses, iron sulfate is also utilized in the production of pigments and as a coagulant in water purification processes. It can be found in different forms, such as ferrous sulfate and ferric sulfate, each serving specific purposes in industrial and environmental applications.