Method for preparing halogenated hydantoins

摘要

A halogenated hydantoin product and method of producing same for use as e.g. a bleaching agent or disinfectant comprising a halogenated hydantoin of the formula <IMAGE> wherein R is methyl or ethyl and X1 and X2 which may be the same or different are chlorine or bromine, either as the sole constituent or in admixture with halogenated dimethylhydantoins. The products are substantially dust-free, free-flowing and upon compaction form a solid product of high physical integrity.