Calcium hypochlorite, Ca(ClO)2 Premium Grade Grade I Active chlorine ≥65% ≥60% Water ≤3% ≤3% Annual active chlorine loss rate 8% 8% Calcium chloride 9% 10% Color White or offwhite Appearance Power, granule, or as customized. Use 1. in bleaching pulp and textile. 2. as sterilant and disinfectant. 3. for removal of poisnous contaminants.