Product Name: CopperCopper sulphate pentahydrate Formula: CuSO4.5H2O HS Code: 2833250000 CAS No.: 7758-99-8 Grade: industry grade/fertilizer grade/ feed grade/electroplating grade Appearance: Small blue and clean crystal or powder Specification: Item Standard CuSO4.5H2O 98.5%Min Cu 25%Min Pb 10ppm Max As 5ppm Max Cd 10ppm Max Manuafacturer: Rech Chemical Co. Ltd Website: www.rqsulfates.com Email: info(at)rqsulfates(dot)com/business(at)rqsulfates(dot)com Rech Chemical Co. Ltd is manufacturer of copper sulfate in China, we are authorized by ISO9001:2008 and FAMI-QS. Usage: (1) Electroplating industry (2) Hardware industry (3) Chemical industry: used in the manufacturing of copper salt leaching, copper chloride, cuprous chloride and cuprous oxide etc. (4)Agriculture fertilizer (5) mining