Classification:Sulphate Type: Copper Sulphate CAS No.:7758-99-8 Other Names:Copper Sulfate Pentahydrate MF: CUSO4.5(H2O) EINECS No.: 2758-98-7 Place of Origin: Vietnam Grade Standard: Agriculture Grade, Food Grade, Industrial Grade Purity:99% min Appearance: blue crystal powder Application: industrial grade, feed grade,... Brand Name: VNT Color: Blue Crystal