Title: Indium Trifluoride
CAS Registry Number: 7783-52-0
Synonyms: Indium fluoride; indic fluoride
Molecular Formula: F3In
Molecular Weight: 171.81
Percent Composition: F 33.17%, In 66.83%
Line Formula: InF3
Literature References: Prepd by heating In2O3 or (NH4)3InF6 in a current of fluorine: Hannebohn, Klemm,
Z. Anorg. Allg. Chem. 229, 342 (1936); Ensslin, Dreyer,
ibid. 249, 119 (1942); Kwasnik in
Handbook of Preparative Inorganic Chemistry vol. 1, G. Brauer, Ed. (Academic Press, New York, 2nd ed., 1963) pp 228-229; from In and HF: Brewer
et al., J. Inorg. Nucl. Chem. 9, 56 (1959); Muetterties, Castle,
ibid. 18, 148 (1961).
Properties: Colorless substance, d 4.39. mp 1170°. bp >1200°. Soly in water (25°) 0.040 g/100 ml. Freely sol in dil acids. Stable in hot and cold water.
Melting point: mp 1170°
Boiling point: bp >1200°
Density: d 4.39
Derivative Type: Trihydrate
Properties: Crystals. Soly in water (22°) 8.49 g/100 ml, indicating a complex.