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Bromochlorodimethylhydantoin

CAS Number
32718-18-6
EC Number
251-171-5
Chemical Formula
C5H6BrClN2O2
Molecular Weight
241.47 g/mol

Description

Bromochlorodimethylhydantoin ( CAS 32718-18-6 ), commonly known as BCDMH, is a halogen-release biocide used to control microbial growth in water systems and formulated products. It delivers both bromine and chlorine upon dissolution, providing broad-spectrum disinfection across a range of pH conditions. In water treatment, it is the active disinfectant in cooling towers. Swimming pools and spa systems utilize this compound where controlled halogen release maintains effective sanitization without the handling risks of liquid chlorine or other volatile gases. Personal care formulators incorporate it as a preservative in rinse-off products such as shampoos and body washes. Its dual-halogen activity targets bacteria and fungi at low use concentrations. Industrial and institutional cleaning products use it as a bleaching and sanitizing agent in hard surface disinfectants and laundry formulations to ensure high hygiene standards. In healthcare settings, it is used in instrument disinfection and surface sanitization applications requiring reliable broad-spectrum efficacy and consistent performance in various environments. BCDMH is supplied as compressed tablets, granules, and powder to suit different dosing equipment. Standard grades include technical and water treatment grades for industrial use. Tablet forms are commonly available in various sizes for automated feeders. Purity specifications typically range from 96% to 99% active content depending on the intended application. Contact us for supply of Bromochlorodimethylhydantoin Request Quote

Other Names (Synonyms)

2,4-Imidazolidinedione, bromochloro-5,5-dimethyl- | 1,3-Dibromo-5,5-dimethylhydantoin | 5-(bromomethyl)-5-(chloromethyl)imidazolidine-2,4-dione | Bromochloro-5,5-dimethylimidazolidine-2,4-dione

Key Technical Features

  • High Purity Grade standard
  • Consistent Batch Quality
  • Full Regulatory & REACH Support
  • Global Logistics Network enabled

Physical Properties

Melting Point159-163 °C
AppearanceBriquette, Powder, Granular

Safety & Handling

Danger
GHS03· OxidizerGHS05· CorrosiveGHS07· IrritantGHS09· Environment

Hazard Statements

H272May intensify fire; oxidizer
H302Harmful if swallowed
H314Causes severe skin burns and eye damage
H317May cause an allergic skin reaction
H318Causes serious eye damage
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects

Precautionary Statements

P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P220Keep away from clothing and other combustible materials.
P260Do not breathe dust/fume/gas/mist/vapours/spray.
P261Avoid breathing dust/fume/gas/mist/vapours/spray.
P264Wash … thoroughly after handling.
P270Do not eat, drink or smoke when using this product.
P272Contaminated work clothing should not be allowed out of the workplace.
P273Avoid release to the environment.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P316Get emergency medical help immediately.
P317Get emergency medical help.
P321Specific treatment (see … on this label).
P330Rinse mouth.
P363Wash contaminated clothing before reuse.
P391Collect spillage.
P405Store locked up.
P501Dispose of contents/container in accordance with local regulations.
P265Wash … thoroughly after handling.
P317Get emergency medical help.
P352IF ON SKIN: Wash with plenty of water.
P340IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P317Get emergency medical help.
P364Take off contaminated clothing and wash it before reuse.
P378Use … for extinction.
P331Rinse mouth. Do NOT induce vomiting.
P354IF ON SKIN: Take off immediately all contaminated clothing. Rinse skin with water/shower.
P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Trade & Regulatory

UN Number3085
ADR Class5.1
Packing GroupII
WGK (Germany)2