... in water treatment system, swimming pools 1,3-Dibromo-5,5-dimethylhydantoin [Product Name]:1,3-Dibromo-5,5-dimethylhylhydantoin [Molecular Formula ... powder, slightly soluble in water. At 20 1L of water can dissolve 2.2g1 of 1,3-Dibromo-5,5-dimethylhylhydantoin, pH-value ... of 0.1% water solution is 2.6. Can easily absorb ...