Nitrosyl fluoride

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Nitrosyl fluoride
Nitrosyl fluoride
Nitrosyl fluoride
IUPAC name Nitrosyl fluoride
Other names NOF
Nitrogen oxyfluoride
Identifiers
CAS number [7789-25-5]
Properties
Molecular formula NOF
Molar mass 49.0045 g/mol
Appearance Colourless gas.
Density 2.657 g/l, gas.
Melting point

-166°C (107.15 K)

Boiling point

-72.4°C (200.75 K)

Solubility in water Reacts.
Hazards
Flash point  ?°C
Related compounds
Related nitrosyl halides nitrosyl chloride
Except where noted otherwise, data are given for
materials in their standard state
(at 25 °C, 100 kPa)

Infobox disclaimer and references

Nitrosyl fluoride, NOF, is a covalently-bonded nitrosyl compound.

NOF is a highly reactive fluorinating agent that converts many metals to their fluorides:

nNOF + MMFn + HF

NOF also fluorinates fluorides to form adducts that have a salt-like character, such as NOBF4.

Aqueous solutions of NOF are powerful solvents for metals, by a mechanism similar to that seen in aqua regia. Nitrosyl fluoride reacts with water to form nitrous acid, which then forms nitric acid:

NOF + H2OHNO2 + HF
3HNO2HNO3 + 2NO + H2O

Nitrosyl fluoride can also convert alcohols to nitrites:

ROH + NOF → RONO + HF

[edit] Uses

Nitrosyl fluoride is used as a solvent[citation needed] and as a fluorinating agent.[citation needed]

[edit] References

Greenwood, N. N.; Earnshaw, A. (1997). Chemistry of the Elements, 2nd Edition, Oxford:Butterworth-Heinemann. ISBN 0-7506-3365-4. 

[edit] External links