... swimming pool water treatment, such as:Trichloroisocyanuric acid, sodium dichloroisocyanurate, BCDMH and calciumhypochlorite (sodium process & calcium process) CAS No.: 7681-52 ... swimming pool water treatment, such as:Trichloroisocyanuric acid, sodium dichloroisocyanurate, BCDMH and calciumhypochlorite (sodium process & calcium process)