Cupric sulfate, also known as copper(II) sulfate, is a blue crystalline solid commonly used in various applications. It is composed of copper, sulfur, and oxygen, with the chemical formula CuSO4. This compound is often found in its pentahydrate form, which contains five water molecules, giving it a bright blue color. In agriculture, cupric sulfate is used as a fungicide and herbicide, helping to protect crops from diseases. It also plays a role in chemical processes, such as electroplating and the production of other copper compounds. Additionally, it is utilized in laboratories for various experiments and analyses.