CAS Registry Number

CAS 77-71-4 — 5,5-Dimethylhydantoin (DMH)

5,5-Dimethylhydantoin (DMH) is a crystalline organic compound primarily used as a biocide in water treatment systems to control microbial growth, including bacteria, algae, and fungi. It is also employed in industrial cooling water, oilfield applications, and as a preservative in adhesives and coatings. This chemical has a CAS number of 77-71-4, with the molecular formula C5H8N2O2 and a molecular weight of 128.13. It is stable at ambient storage conditions and carries no signal word for hazard classification. Molekula supplies 5,5-Dimethylhydantoin (DMH) from research to bulk quantities with full documentation and ISO 9001:2015 traceability.