Swimming pool disinfectant

1,3-Dichloro-5,5-dimethylhydantoin(DCDMH )

Chemical name: 1,3-Dichloro-5,5-dimethylhydantoin

Alias: 1,3-Dichloro-5,5-dimethylhydantoin(DCDMH)

Product name: 1,3-Dichloro-5,5-dimethylhydantoin(DCDMH)

CAS NO.: 118-52-5

Molecular formula:C5H6CL2N2O2

Structural formula:

Related Molecular mass: 197.12

Appearance: white crystalline powder.


Mainly used in the disinfection of industrial circulating water, swimming pool, sanitary sewage, hospital sewage, medicinal facilities & aquaculture, or used as chlorating agent in chemical industry, pharmaceutical industry, rubber industry, and so on.

Available chlorine: ≥69.0%

Melting point: 130.0-133.0οC

Loss on dry: ≤0.80%(60οC constant temp. for one hour)