Nomenclature
CAS number: 7789-26-6
Nitroxy fluoride; nitrogen trioxyfluoride; nitryl hypofluorite.
FNO
3; mol wt 81.00.
F 23.45%, N 17.29%, O 59.26%.
FONO
2.
Description and references
Prepd by the action of fluorine on nitric acid:
Cady, J. Am. Chem. Soc. 56, 2635 (1934); Ruff, Kwasnik, Angew.
Chem. 48, 238 (1935); Kwasnik in Handbook of Preparative Inorganic Chemistry vol. 1, G. Brauer, Ed. (Academic Press, New York, 2nd
ed., 1963) pp 187-189. Reviews: Kemmitt, Sharp, Adv. Fluorine Chem. 4, 216-218
(1965); Woolf, ibid. 5, 1-30 (1965); Schmutzler, Angew. Chem. Int.
Ed. 7, 440-455 (1968).
Properties
Colorless gas. Moldy, acrid odor. mp 175°. bp 45.9°. d (liq at bp) 1.507. d193.2 (solid) 1.951. Trouton const 20.8.
The liquid explodes on slight percussion. Hydrolyzed by water to
OF2, O2, HF and HNO3. Sol in acetone.
Conflagrates on contact with alcohol, ether, aniline. May be stored
in vacuum-sealed glass ampuls cooled by liquid oxygen. Powerful oxidizing
agent.Use
Oxidizing agent in rocket propellants.