Arsenic Trifluoride
Structural Formula Vector Image
Title: Arsenic Trifluoride
CAS Registry Number: 7784-35-2
Molecular Formula: AsF3
Molecular Weight: 131.92
Percent Composition: As 56.79%, F 43.20%
Literature References: Prepn: Russell et al., J. Am. Chem. Soc. 63, 2825 (1941); Woolf, Greenwood, J. Chem. Soc. 1950, 2200; Hoffman, Inorg. Synth. 4, 151 (1953); Kwasnik in Handbook of Preparative Inorganic Chemistry vol. 1, G. Brauer, Ed. (Academic Press, New York, 2nd ed., 1963) pp 197-198. Review: Kemmitt, Sharp, Adv. Fluorine Chem. 4, 208-209 (1965).
Properties: Mobile liquid. Very poisonous! Fumes in air. Etches glass. d1515 2.73. mp -5.95°. bp 57.8°. Also reported as mp -8.5°; bp 63° (Kwasnik). Hydrolyzed by water. Sol in alcohol, ether, benzene. May be stored in iron vessels.
Melting point: mp -5.95°; mp -8.5°
Boiling point: bp 57.8°; bp 63° (Kwasnik)
Density: d1515 2.73
CAUTION: Extremely toxic.

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