Nitrosyl bromide
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Nitrosyl bromide is the chemical compound with the chemical formula NOBr. It is a red gas with a condensing point just below room temperature.[1] It reacts with water.[1]
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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 | ||
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Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Nitrosyl bromide can be formed by the reversible reaction of nitric oxide with bromine.[2] 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.[1]
- 2NO2 + KBr → BrNO + KNO3