This standard specifies the requirements, test methods, inspection rules, signs, labels, packaging, transportation and storage of copper sulfate for electroplating. This standard applies to copper sulfate for electroplating. This product is mainly used for electroplating copper, electroplating brass, and electroless copper plating. Molecular formula: CuSO|(4)·5H|(2)O Relative molecular mass: 249.68 (according to the 1995 international relative atomic mass)