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bromide

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Also known as bromide salt, bromides

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Bromides
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18 sections
Contents
  • Natural occurrence
  • Formation and reactions of bromide
  • Dissociation of bromide salts
  • Hydrolysis of bromine
  • Oxidation of bromide
  • Applications
  • Medicinal and veterinary uses
  • Sedation (phased out)
  • Antiepileptic
  • Biocide
  • Biochemistry
  • Substrate
  • Cofactor
  • Further reading
  • Encyclopedia articles and books
  • Peer-reviewed journal articles for bromine (Br)
  • Peer-reviewed journal articles for bromide (Br<sup>−</sup>)
  • References

A bromide ion is the negatively charged form (Br−) of the element bromine, a member of the halogens group on the periodic table. Most bromides are colorless. Bromides have many practical roles, being found in anticonvulsants, flame-retardant materials, and cell stains. Although uncommon, chronic toxicity from bromide can result in bromism, a syndrome with multiple neurological symptoms. Bromide toxicity can also cause a type of skin eruption, see potassium bromide. The bromide ion has an ionic radius of 196&nbsp;pm.

==Natural occurrence== Bromide is present in typical seawater (35&nbsp;PSU) with a concentration of around 65&nbsp;mg/L, which is about 0.2% of all dissolved salts. Seafood and deep sea plants generally have higher levels than land-derived foods. Bromargyrite—natural, crystalline silver bromide—is the most common bromide mineral known but is still very rare. In addition to silver, bromine is also in minerals combined with mercury and copper.

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