Magnesium chloride tetrahydrate is a chemical compound registered under CAS number 22695-80-3, with the molecular formula Cl2H8MgO4 and a molecular weight of about 167.27 g/mol. It is also known as Magnesiumchloride, tetrahydrate (8CI); Magnesium dichloride tetrahydrate. DeWeiChem supplies Magnesium chloride tetrahydrate for laboratory research and bulk production; product code 1171603. Send an inquiry for purity, packaging, price and lead time.