... 1,3-Dibromo-5,5-dimethylhydantoin cas:77-48-5 purity:98% used in water treatment system, swimming pools 1,3-Dibromo-5,5-dimethylhydantoin [Product ... Name]:1,3-Dibromo-5,5-dimethylhylhydantoin [Molecular Formula ... 2.2g1 of 1,3-Dibromo-5,5-dimethylhylhydantoin, pH-value of 0.1% water solution is 2.6. Can easily ...