Molecular Formula: I2 CAS No.: 7555-56-2 Effective Constituent: 99.8-100.5 Physical properties:Purple black crystal, with metallic luster, brittle, easy to sublimate, easy to condense. It is toxic and corrosive. Downstream applications: mainly used in medicine, disinfection, fuel, photographic materials and chemical reagents. Package: 50kg/D、25kg/D Storage: Sealed, cool and dry Origin: Chile, Japan