Bromine monoxide radical

This article is about the compound BrO. For the oxoanion with the formula BrO⁻, see hypobromite. For the molecule Br₂O, see Dibromine monoxide.

Bromine monoxide is a binary inorganic compound of bromine and oxygen with the chemical formula BrO.^[1][2] A free radical, this compound is the simplest of many bromine oxides. The compound is capable of influencing atmospheric chemical processes.^[3] Naturally, BrO can be found in volcanic plumes.^[4][5] BrO is similar to the oxygen monofluoride, chlorine monoxide and iodine monoxide radicals.

Bromine monoxide radical

Names
Other names BrO radical, bromine monoxide, bromine(II) oxide
Identifiers
CAS Number	15656-19-6 Y
3D model (JSmol)	Interactive image
ChEBI	CHEBI:29876
ChemSpider	4574122
Gmelin Reference	1037
PubChem CID	5460627
CompTox Dashboard (EPA)	DTXSID201315575
InChI InChI=1S/BrO/c1-2 Key: FMSOWMGJJIHFTQ-UHFFFAOYSA-N
SMILES Br[O]
Properties
Chemical formula	BrO
Molar mass	95.903 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

Chemical properties

The compound is very effective as a catalyst of the ozone destruction. The chemical reaction of BrO and chlorine dioxide (OClO) results in ozone depletion in the stratosphere.^[6]