Bromine

CAS Number
7726-95-6
EC Number
231-778-1

What is Bromine?

Bromine (CAS 7726-95-6) is a halogen element supplied in liquid form; used industrially as a powerful oxidizing and biocidal agent.

Where is Bromine used?

  • Pharmaceutical and agrochemical synthesis: brominating agent for active ingredients, intermediates and crop protection compounds
  • Water treatment and cooling systems: broad-spectrum biocide controlling algae, bacteria and biofilm
  • Oilfield chemistry: brominated compounds in completion fluids and hydrogen sulfide scavengers; used as clear brine fluids in oil and gas exploration and production.
  • Clear brine fluids stabilize the well, cool the drill bit, and assist in removal of drilling debris.
  • Textile and fiber processing: bromine-based chemistry for selective oxidation
  • It operates at lower concentrations than chlorine over a wider pH range.
  • Used in the production of flame retardants.
  • Bromobutyl rubber is used in pharmaceutical vial closures for sterility and flexibility.

Good to know: Buyers should confirm purity levels and packaging compatibility. Regional transport compliance is vital when evaluating supply options.

Formulation notes

  • Reacts violently on contact with natural rubber.
  • Can cause spontaneous ignition of organic materials when combined with potassium, phosphorus, tin, and many other chemicals.
  • Attacks most metals, including platinum and palladium.

Typical specification

  • Boiling point 58.8 °C.

Regulatory status

  • Subject to UN number UN1744 for transport of dangerous goods.
  • The 2013 Minamata Convention of the UN commits to reduction of mercury emissions.

Frequently asked questions about Bromine

How does bromine contribute to mercury emissions reduction?
Bromine-based products reduce mercury emissions from coal-fired power plants by converting volatile mercury to ionic form.

Technical content is compiled and updated by the SoleChem product team from public technical sources; the certificate of analysis (COA) governs product-specific specifications.

Other Names (Synonyms)

bromine liquid|bromine gas|Br₂|Br2|Dibromine|molecular bromine|Brom|Brome

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How is Bromine classified and handled safely? Learn More

Danger
GHS05· Corrosive GHS06· Toxic GHS09· Environmental Hazard GHS08· Health Hazard

Hazard Statements

H314 Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
H330 Fatal if inhaled [Danger Acute toxicity, inhalation]
H400 Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]
H290 May be corrosive to metals [Warning Corrosive to Metals]
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