Copper Sulphate is used for extracting the other copper, is also used as a textile mordant, agricultural pesticides, fungicides, and for water treatment. As a mordant for cotton and silk; used to produce green and blue pigment; used as insectucude, bactericide for water, antiseptics for wood, catalyst for tannage, electrocopper, battery. carving and so on ; used in mining industry and as raw materials of other chemicals.

Sky blue crystal granular or power,can soluble in water and diluted acetic acid. The solution appears as weak acidity. It will be effloresces slowly in dry air, and its surface will become white powder substance. Copper Sulphate will lose four crystal water when heated to 110, and will be changed into white copper sulfate anhydrous which is easy to absorb water when the temperature is higher than 150°C.