Nitrosyl bromide

Nitrosyl bromide
Identifiers
CAS Number	13444-87-6 ;
3D model (JSmol)	Interactive image;
ChemSpider	109908 ;
PubChem CID	123304;
CompTox Dashboard (EPA)	DTXSID90158701 ;
	InChI InChI=1S/BrNO/c1-2-3 Key: BMNDJWSIKZECMH-UHFFFAOYSA-N ;
	SMILES BrN=O;
Properties
Chemical formula	NOBr
Molar mass	109.910 g/mol
Appearance	Red gas
Boiling point	14.5 °C (58.1 °F; 287.6 K)
Refractive index (nD)	1.524
Related compounds
Related compounds	Nitroxyl; Nitrosyl fluoride; Nitrosyl chloride;
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Nitrosyl bromide is the chemical compound with the chemical formula NOBr. It is a red gas with a condensing point just below room temperature. It reacts with water.

Nitrosyl bromide can be formed by the reversible reaction of nitric oxide with bromine. This reaction is of interest as it is one of very few third-order homogeneous gas reactions. NOBr is prone to photodissociation at standard pressure and temperature.

2 NO + Br₂ ⇌ 2 NOBr

Another way to make it is by way of nitric oxide reacting with potassium bromide.

2NO₂ + KBr → BrNO + KNO₃

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