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1-Bromo-3-chloro-5,5-dimethylhydantoin (BCDMH) is a highly effective halogenated compound widely used as a disinfectant, biocide, and oxidizing agent in various industrial and water treatment applications. Known for its stability and controlled release of bromine and chlorine, this compound offers superior microbial control in cooling towers, swimming pools, and sanitization processes. Its broad-spectrum efficacy makes it a preferred choice for preventing biofilm formation and ensuring water safety. For detailed information on our high-purity 1-Bromo-3-Chloro-5,5-Dimethylhydantoin products, explore our specifications below, which highlight key parameters such as purity, solubility, and application guidelines to meet diverse operational needs.


CAS NO 16079-88-2 refers to the unique chemical identifier for 1-bromo-3-chloro-5,5-dimethylhydantoin, a solid compound characterized by its white to off-white crystalline powder form. It possesses a molecular weight of 241.49 g/mol and a melting point range of 158-163°C, ensuring stability under typical storage conditions. The product is sparingly soluble in water but highly soluble in organic solvents like acetone and chloroform, facilitating easy integration into various formulations. Its oxidative properties stem from the active bromine and chlorine content, typically exceeding 55% as available halogen, which enables efficient disinfection without leaving harmful residues. Below are the detailed product parameters presented in lists and a table for clarity and professional reference.

  • Purity: ≥98% (by HPLC)
  • Appearance: White to off-white crystalline powder
  • Molecular Formula: C5H6BrClN2O2
  • Density: Approximately 1.8 g/cm³ at 20°C
  • pH (1% solution): 4.0-6.0
  • Storage: Keep in a cool, dry place away from light and moisture
Parameter Specification Test Method
Active Halogen Content ≥55% Titration
Water Content ≤0.5% Karl Fischer
Heavy Metals (as Pb) ≤10 ppm ICP-OES
Residue on Ignition ≤0.1% Gravimetric
Particle Size Distribution 90% < 100 mesh Sieving

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