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