Vanadium Tetrafluoride
Title: Vanadium Tetrafluoride
CAS Registry Number: 10049-16-8
Molecular Formula: F4V
Molecular Weight: 126.94
Percent Composition: F 59.87%, V 40.13%
Line Formula: VF4
Literature References: Prepd from VCl4 and HF or from the elements: Ruff, Lickfett, Ber. 44, 2539 (1911); Cavell, Clark, J. Chem. Soc. 1962, 2692; Kwasnik in Handbook of Preparative Inorganic Chemistry vol. 1, G. Brauer, Ed. (Academic Press, New York, 2nd ed., 1963) pp 252-253.
Properties: Bright lime-green powder; very hygroscopic; hydrolyzes to form a brown powder and eventually a blue paste. d 3.15. Sublimes at 100-120° in a vacuum. Also disproportionates to VF3 and VF5 at 100-120° in a vacuum. Freely sol in water with blue color, in acetone deep green, in glacial acetic acid blue green. Sparingly sol in alc, chloroform, SO2Cl2. May be stored in sealed iron or copper vessels.
Density: d 3.15
Status: This monograph has been retired and is no longer subject to revision or update.

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