1,3-Dichloro-5,5-dimethylhydantoin (CAS 118-52-5) - Leache Supplier
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CAS NO 118-52-5

Our high-purity 1,3-Dichloro-5,5-dimethylhydantoin (DCDMH) is a premium chlorinating agent and disinfectant chemical widely used in water treatment, sanitation, and industrial processes. This effective swimming pool chemical and biocide offers stable chlorine release, making it ideal for applications requiring controlled disinfection. As a reliable halogen compound, it is also utilized in the synthesis of pharmaceutical intermediates and as a bleaching agent in various industries.


CAS NO 118-52-5 refers to 1,3-Dichloro-5,5-dimethylhydantoin, a white crystalline solid with distinct chemical properties. Below are the detailed product specifications presented in both list and table formats for clarity.

  • Chemical Name: 1,3-Dichloro-5,5-dimethylhydantoin
  • Molecular Formula: C5H6Cl2N2O2
  • Molecular Weight: 197.02 g/mol
  • Appearance: White crystalline powder or granules
  • Chlorine Content: Approximately 56-58% available chlorine
  • Melting Point: 132-135°C
  • Solubility: Slightly soluble in water, soluble in organic solvents like acetone and chloroform
  • Storage: Keep in a cool, dry place away from direct sunlight and moisture
  • Packaging: Available in 25 kg bags or customized packaging options
Parameter Specification
Purity ≥98%
Moisture Content ≤0.5%
Chlorine Content 56-58%
pH (1% solution) 4.0-6.0
Bulk Density 0.6-0.8 g/cm³
Heavy Metals (as Pb) ≤10 ppm
Iron (Fe) ≤5 ppm

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