1,3-dibromo-5,5-dimethylhydantoin (DBDMH)
Chemical name: 1,3-dibromo-5,5-dimethylhydantoin(DBDMH)
CAS NO: 77-48-5
Molecular formula: C5H6Br2N2O2
Structural formula: 
Related Molecular mass: 285.94
Properties: white or off-white crystalline powder, slightly dissdved in water,dissolved in chloroform,ethanol and other organic solvent,easy to decompose in strong acid or alkali,stable when in dry state. having slight rritation odour.
Uses:
mainly used in the disinfection of industrial circulating water, swimming pool, spring, hospital sewage, medicinal facilities, aquaculture, food process, hotel, home, warehouse, custom and epidemic-stricken area; or used as brominating agent in chemical industry, pharmaceutical industry, rubber industry, and so on.
Quality index(company standard):
Mass fraction of DBDMH, % ≥
Mass fraction of bromine(as Br2 ), % ≥
Volatile matter(Loss on dry), % ≤
Packing:40KG in double-layer plastic bag lined carton or following your demands, It should be kept in cool and dry place, don't mix with toxic matter, avoid contamination.
关键字： 1,3-dibromo-5,5-dimethylhydantoin (DBDMH)
Ca(ClO)2
Main composition: Ca(ClO)2, white powder or granule
UN NO: 2880
IMDG: 5.1
Mainly used in water treatment, bleaching,disinfection and bio-chemical treatment of pollutants.Supply Amount:Annual output 50000tons .
Standard: GB/T10666-2008
Item Grade
? Best quality First quality Qualifier
Effective chlorine % ≥70.0 ≥67.0 ≥65.0
Granularity(14-50 meshes)% ≥ 90 ≥87 ≥87
Moisture% ≤5-10% ≤5-10% ≤5-10%
Packing:
1.Plastic drum with polythene bag, net wt.40kg/drum, 45kg/drum ,50kg/drum, "Oxidant" label should be signed.
2. Stored in dry, cool and draughty place; avoid insolation, fire and heat; no mixing with organic substances, acids or reducing agents