1988. Ceric Fluoride

Nomenclature

CAS number: 10060-10-3
CeF4; mol wt 216.11.
Ce 64.84%, F 35.16%.

Description and references

Prepd from CeF3 and F2: Klemm, Henkel, Z. Anorg. Allg. Chem. 220, 181 (1934); von Wartenberg, ibid. 244, 343 (1940); Kwasnik in Handbook of Preparative Inorganic Chemistry vol. 1, G. Brauer, Ed. (Academic Press, New York, 2nd ed., 1963) pp 247-248; from CeO2 and F2: Asker, Wylie, Aust. J. Chem. 18, 959 (1965).

Properties

Minute crystals, d 4.77. mp >650°. Practically insol in water; very slowly hydrolyzed by cold water. Thermally stable below 550°. May be reduced to CeF3 by H2 at 300°.

Derivative

Monohydrate.

Properties

White powder. Sol in acids.

Use

Fluorinating agent.