... Trichloroisocyanuric acid (C3Cl3N3O3) white powder, granular and tablet UN NO.: 2468 H.S.: 2933.6922 ... Trichloroisocyanuric acid (TCCA)TCCA 90% powder, graunlar and tablet. we can supply the TCCA tablets are 1g, 10g ... 20g, 30g, 100g and 500g. multi-function TCCA tablet is the most competitive product.2. Package of Trichloroisocyanuric ... %90.17%PH VALUE(1%water solution)2.7-3.32.88MOISTURE≤0.5%0.37%MESH8 ...