... Acid 2,4,6-Trihydroxy-1,3,5-Triazine 98.5% min. Odorless,white crystalline powder,granular or tablet Cyanuric Acid 2,4,6-Trihydroxy-1,3,5-Triazine98.5 ... % min.Odorless,white crystalline powder,granular or tablet.Cyanuric Acid(CYA) Chemical Name:2,4,6-Trihydroxy-1,3,5 ...