1-Bromo-3-Chloro-5 5-Dimethylhydantoin (BCDMH)

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1-Bromo-3-Chloro-5,5-Dimethylhydantoin is also known as dimethyl hydantoin. It is white or off-white crystal powder. This biocide is slightly dissolved in water and dissoluble in many organic solvents. Dimethyl hydantoin can be further processed as granular and tablet. It is stable when dry and easy to decompose when moistened.

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dimethyl hydantoin struction formula


AppearanceWhite or off-white crystal powder
Purity98.00% Min.
Bromo (Br)31-35%
Chloro (Cl) 14-17%
Melting Point 158-162 deg. C
Drying Loss1.0% Max.
Instant or slow-releasing glanular:8-40mesh, Instant of slow-releasing tablet:20g 200g, etc.


Dimethyl hydantoin is an effective oxidant oxidizer and disinfectant, including advantages of both bromo and chloro, with high stabilization, light odor, slow-release, and long efficiency. It can be widely used.

  1. Sterilization for swimming pool and tap water.
  2. Sterilization for aquaculture.
  3. Sterilization of industrial water .
  4. Sterilization of the environment for hotels, hospitals, and other public places.

Packing and Storage:

Packed in 25 kg or 50 kg woven plastic bag lined with a plastic bag; 25kg or 50kg cardboard barrel lined with a plastic bag or packing according to buyer’s demand.

25kg paper bags


bromicide, halosan, halo 78p.


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