... sulphate pentahydratel Formula: CuSO4.5H2O l HS Code: 2833250000l CAS No.: 7758-99-8l EINECS NO.: 231-847-6l Mol Weight: 249.68l PH ... salt leaching,copper chloride,cuprous chloride and cuprous oxide,etc.(4) Dyestuff industry: used in the prodection of copper sheet azo ... to the specified port or warehouses as soon as possible.4. Rech Chemical offers settlement services such as US dollars, the ...