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

Categories: ,


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 dissolved in chloroform, ethanol, and other organic solvents.

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

CAS No.:


Molecular Formula:


Molecular Weight:


Structure Formula:

dibromo dimethyl hydantoin structure formula


AppearanceLight yellow crystal powder
Assay98% Min.
Bromo  content 54.8% Min.
Melting Point185-192 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, and long efficiency, and can be widely used:

  1. Sterilization for swimming pool and tap water.
  2. Sterilization for aquaculture.
  3. Sterilization for industrial water.
  4. Sterilization of the 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 the inside and a paper-plastic multiple bags or cardboard barrel for the outside. 25 kg net each or by customer’s requirement.

25kg paper bags

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


Contact us if you want to get the latest DBDMH price and download DBDMH SDS/MSDS.