Trichloroisocyanuric Acid Available Chlorine: 90%min CAS: 87-90-1 M.W.: 232.44 Molecular Formula: C3N3O3Cl3 Moisture:0.5%max PH: 2.7-3.3 Description: It is white or almost-white crystalline powder with strong function of sterilization and albefaction. It plays a great part in pool chemical and water treatment chemical. Use: Acid-TCCA commonly contributes to civil sanitation and animal farming. It can effectively remove fungus, brood cell and coccidia.