Title: Nitrosyl Fluoride
CAS Registry Number: 7789-25-5
Synonyms: Nitrogen oxyfluoride
Molecular Formula: FNO
Molecular Weight: 49.00
Percent Composition: F 38.77%, N 28.59%, O 32.65%
Literature References: Preparation: Ruff
et al., Z. Anorg. Allg. Chem. 208, 293 (1932); Balz, Mail?nder,
ibid. 217, 166 (1934); Faloon, Kenna,
J. Am. Chem. Soc. 73, 2937 (1951); Kwasnik in
Handbook of Preparative Inorganic Chemistry vol. 1, G. Brauer, Ed. (Academic Press, New York, 2nd ed., 1963) pp 184-185.
Reviews: Hoffman, Neville,
Chem. Rev. 62, 1-18 (1962); Kemmitt, Sharp,
Adv. Fluorine Chem. 4, 194-195 (1965); Woolf,
ibid. 5, 1-30 (1965); Schmutzler,
Angew. Chem. Int. Ed. 7, 440-455 (1968).
Properties: Colorless gas. Often bluish because of impurities. Vigorous reaction with glass, corroding action on quartz. May be kept in quartz ampuls if cooled in liq oxygen. mp -132.5°. bp -59.9°. d (liq at bp) 1.326. d (solid) 1.719. Trouton const. 21.3. Reacts with water to form NO, HNO3 and HF.
Melting point: mp -132.5°
Boiling point: bp -59.9°
Density: d (liq at bp) 1.326; d (solid) 1.719
CAUTION: Highly irritating to skin, eyes, mucous membranes.
See also Fluorine.
Use: Oxidizer in rocket propellants; stabilizing agent for liquid SO3; fluorinating agent.
