Copper sulfate is a bright blue chemical compound made of copper, sulfur, and oxygen. Its chemical formula is CuSO4. It is commonly found in both anhydrous and pentahydrate forms, with the pentahydrate being more prevalent in various applications. This compound is widely used in agriculture as a fungicide and herbicide, helping to control plant diseases. Additionally, copper sulfate is utilized in laboratories for chemical experiments and in the manufacturing of other copper compounds. It also plays a role in water treatment processes to control algae growth.