1 3-Dibromo-5 5-Dimethyl Hydantoin (DBDMH)

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1 3-Dibromo-5 5-Dimethyl Hydantoin (DBDMH) is a light yellow crystal powder, which can be further processed as glanular and tablet. DBDMH is stable when dry, slightly dissoluble in water, and also dissolve in chloroform, ethanol, and other organic solvents.

1 3-Dibromo-5 5-Dimethyl Hydantoin is easy to decompose in strong acid and strong alkali, The best antisepsis pH value of DBDMH is 5-7 and the draff can be biodegradation in a short time without any pollution.

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Structure Formula:

dibromo dimethyl hydantoin structure formula


Item Index
Appearance Light yellow crystal powder
Assay 98% Min.
Bromo  content  54.8% Min.
Melting Point 185-192 deg. C
Drying Loss  0.5% Max.
Instant or slow-releasing granular: 8-30mesh


1 3-Dibromo-5 5-Dimethyl Hydantoin is a streamlined oxidant type disinfecting agent, with high stabilization, light odor, slow-release, long efficient, can be widely used:

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

DBDMH is also a kind of excellent industrial bromating agent, used in making organic chemicals.

Packing and Storage:

1 3-Dibromo-5 5-Dimethyl Hydantoin (DBDMH) is packed in two layers: non-poisonous plastic sealed bag for inside, and paper-plastic multiple bags or cardboard barrel for outside. 25Kg net each or by customer’s requirement.

Keep in cool and dry. Avoid putting together within jurant for fear of pollution. Validity for one year.


If you want to get the latest DBDMH price and download DBDMH SDS/MSDS, contact us.