... 2468 H.S.: 2933.6922 Main composition: Trichloroisocyanuric acid (C3Cl3N3O3) white powder, granular, tablet are available, content is ≥90%. UN NO.: ... can supply small package as customer's requirement.Specification: TCCA powder, TCCA 8-30mesh granular, TCCA tabletUsage: (1) Swimming ... viruses,fungi,spores and ball worm egges.TCCA is white crystall powder or granular,with a strong smell of chlorine gas ...