Pyridinium perbromide

Pyridinium perbromide (also called pyridinium bromide perbromide, pyridine hydrobromide perbromide, or pyridinium tribromide) is an organic chemical composed of a pyridinium cation and a tribromide anion. It can also be considered as a complex containing pyridinium bromide—the salt of pyridine and hydrogen bromide—with an added bromine (Br2). The chemical is a solid whose reactivity is similar to that of bromine. It is thus a strong oxidizing agent used as a source of electrophilic bromine in halogenation reactions. The analogous quinoline compound behaves similarly.

Pyridinium perbromide
Identifiers
3D model (JSmol)
ECHA InfoCard 100.049.479
UNII
  • InChI=1S/C5H5N.Br3/c1-2-4-6-5-3-1;1-3-2/h1-5H;/q+1;-1
    Key: XGXACOWIBOWGSS-UHFFFAOYSA-N
  • [n+]1ccccc1.Br[Br-]Br
Properties
C5H6Br3N
Molar mass 319.822 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references
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