What is 5,5-Dimethylhydantoin CAS 77-71-4？ 5,5-Dimethylhydantoin is a white prismatic crystal or crystalline powder. Melting point 175 ℃. Soluble in water, hexanol, ethyl acetate, and dimethyl ether, slightly soluble in isopropanol, acetone, and methyl ethyl ketone, insoluble in fatty hydrocarbons and trichloroethylene. Odorless, capable of sublimation, and acidic. Specification Item Specification Boiling point 237.54°C (rough estimate) Density 1.2864 (rough estimate) Melting point 174-177 °C (lit.) flash point 193°C resistivity 1.4730 (estimate) pKa pKa 8.1 (Uncertain) Application 5,5-Dimethylhydantoin is a widely used organic synthesis intermediate, which is a heterocyclic compound with certain rigidity. It can be used to prepare a series of valuable derivatives through substitution reactions, such as dibromohydantoin, dichlorohydantoin, and other fine chemicals widely used in the production fields of pharmaceuticals, pesticides, plastics, and cosmetics. Packing Usually packed in 25kg/drum,and also can be do customized package.
