5,5-Dimethylhydantoin
5,5-Dimethylhydantoin (CAS 77-71-4 ),white crystall powder, melting point 175-178 ℃,Mainly used for synthesizing halogenated hydantoin and DMDM hydantoin.and it also can be used for compounding hydantoin epoxy resin and hydantoin formaldehyde resign,in manufacturing of macrolecule materials.