CAS No.: 60459-08-7 Molecular Formula:CoSO4·7H2O Specification : Co% 20.5 Ni% 0.1 Cu% 0.005 Cl% 0.005 N% 0.05 Zn% 0.02 Mn% 0.02 Ca% 0.025 Fe% 0.005 Insolub water content% 0.01 Properties: BROWN YELLOW OR RED CRYSTAL,DENSITY::1.948G/CM3,MELTING POINT:96.8 ,FREELY SOLUBLE IN WATER AND METHANOL,SLIGHTLY SOLUBLE IN ETHANOL. Application: Used as paint drier in coating industry,glaze for painted china in ceramic industry, additives for alkaline battery and lithopone in the battery industry. also used in producing pigment containing cobalt and material for cobalt salt. besides, it is also used as plating, catalyzer, feed additive and analytical reagent etc.. packing.