Ferric Fluoride

Title: Ferric Fluoride
CAS Registry Number: 7783-50-8
Molecular Formula: F3Fe
Molecular Weight: 112.84
Percent Composition: F 50.51%, Fe 49.49%
Line Formula: FeF3
Literature References: Prepn from FeCl3 and HF: Kwasnik in Handbook of Preparative Inorganic Chemistry vol. 1, G. Brauer, Ed. (Academic Press, New York, 2nd ed., 1963) p 266; Shinn et al., Inorg. Chem. 5, 1927 (1966); from Fe2O3 or Fe2S3 and SF4: Oppegard et al., J. Am. Chem. Soc. 82, 3835 (1960); from FeCl3 and CH3CHF2: Natta et al., GB 995186 (1965 to Montecatini).
Properties: Green hexagonal crystals. Sublimes >1000°. d 3.87. Very slightly sol in water; freely sol in dil HF; practically insol in alcohol, ether, benzene. Soly in liq HF: 0.008 g/100 g HF, Jache, Cady, J. Phys. Chem. 56, 1106 (1952).
Density: d 3.87
Use: As catalyst in organic reactions.
Ferric Formate Ferric Hydroxide Ferric Hypophosphite Ferric Nitrate Ferric Oxide