Trichloroisocyanuric acid (TCCA) Available chlorine: 90%min. Form: in powder/granular/tablet/multifunctional tablet pH Value: 2.7-3.3 Insoluble material: 0.1%max. Moisture: 0.5% max. UN No.: 2468 Packing in 50kg net plastic drum. email: tzhlww@yahoo.com.cn