Title: Chlorine Monofluoride
CAS Registry Number: 7790-89-8
Additional Names: Chlorine fluoride
Molecular Formula: ClF
Molecular Weight: 54.45
Percent Composition: Cl 65.11%, F 34.89%
Literature References: Prepd from Cl2 and F2 at 400°: Ruff et al., Z. Anorg. Allg. Chem. 176, 256 (1928); Kwasnik in Handbook of Preparative Inorganic Chemistry vol. 1, G. Brauer, Ed. (Academic Press, New York, 2nd ed., 1963) p 153.
Properties: Colorless gas. Slightly yellow when liquid. mp -155.6°. bp -100.1°. Crit temp -14°. d (liq; -108°) 1.67. Extremely reactive. Destroys glass instantly, attacks quartz readily in presence of moisture; organic matter bursts into flame on contact; violent reaction with water.
Melting point: mp -155.6°
Boiling point: bp -100.1°
Density: d (liq; -108°) 1.67
CAUTION: Extremely corrosive and irritating to skin, eyes, mucous membranes, respiratory tract.