Bromine dioxide

Bromine dioxide is the chemical compound composed of bromine and oxygen with the formula BrO2. It forms unstable yellow to yellow-orange crystals. It was first isolated by R. Schwarz and M. Schmeißer in 1937 and is hypothesized to be important in the atmospheric reaction of bromine with ozone. It is similar to chlorine dioxide, the dioxide of its halogen neighbor one period higher on the periodic table.

"BrO2" redirects here. For the oxyanion with the formula BrO−
2, see Bromite.
Bromine dioxide
Names
IUPAC name
Bromine dioxide
Identifiers
3D model (JSmol)
ChemSpider
PubChem CID
  • InChI=1S/BrO2/c2-1-3 N
    Key: SISAYUDTHCIGLM-UHFFFAOYSA-N N
  • InChI=1/BrO2/c2-1-3
    Key: SISAYUDTHCIGLM-UHFFFAOYAZ
SMILES
  • O=Br=O
Properties
BrO2
Molar mass 111.903 g/mol
Appearance unstable yellow crystals
Melting point decomposes around 0°C

Related compounds
Other anions
 Bromine monoxide
Bromine trifluoride
Bromine pentafluoride
Other cations
 Oxygen difluoride
Dichlorine monoxide
Chlorine dioxide
Iodine dioxide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references
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