... 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- ... , slightly soluble in water. At 20 1L of water can dissolve 2.2g1 of 1,3-Dibromo-5,5-dimethylhylhydantoin, pH ...