Ammonium alum 99.5% CAS No:7784-25-0 Usage:Used in ... SO4)2.12H2O Molecular weight, 237.1452 CAS No., 7784-25-0 EINECS NO., 233-055-3 Appearance: White crystalline ... away from heat, avoid nsolation, sign with no moisture and no insolation. ItemIndexAluminium ammonium sulphate99.5%minFe0.05% ... 266001 RIZHAO OFFICE ADD : 4TH FLOOR OF SHIPPING BUILDING, NO.168 HAIBIN ROAD 2,RIZHAO, SHANDONG, CHINA - POST CODE ...