Nomenclature
CAS number: 7789-28-8
F
2Fe; mol wt 93.84.
F 40.49%, Fe 59.51%.
FeF
2.
Description and references
Prepn from FeCl2 and HF gas: Kwasnik
in Handbook of Preparative Inorganic Chemistry, G. Brauer,
Ed. (Academic Press, New York, 2nd ed., 1963) p 266; from Fe powder
and liq HF: Muetterties, Castle, J. Inorg.
Nucl. Chem. 18, 148 (1961).
Properties
Tetragonal crystals (rutile type) or powder.
Sublimes at about 1100°. d 4.09. Sparingly sol in water; more sol in dil HF. Practically insol
in alcohol, ether, benzene.Use
As catalyst in organic reactions.