... Acid (TCCA)[Keyword:Trichloroisocyanuric Acid ,TCCA,swimming pool chemical,disinfectant,chlorine granluar,chlorine powder Author:achlor Publication date:2010-6-12] Formula:C3O3N3CL3Molecular ... Weight: 232.41UNNo.:2468Risk Class: 5.1CASNo.:87-90-1Available Chlorine:≥90%Moisturecontent:≤0.5%PH Value:2.7-3.3Solubility ... , paper insect resistance, and rubber chlorination, etc. TCCA 90% 200g tablets