... -1 Cas no.:87-90-1 Assay:90%.80% Appearance:tablet,granular,powder Trichloroisocyanuric acid/ 87-90-1 Cas no.:87 ... -90-1 Assay:90%.80% Appearance:tablet,granular,powder Trichloroisocyanuric Acid (TCCA)Technical specifications and features1. Active ... .7-3.311. AppearancePowder,granular(8-30mesh ,20-60mesh) or tablet with irritant odor(1g, 5g, 10g, 15g, 20g, 30g, 50g ...