1998. Cerous Fluoride

Nomenclature

CAS number: 7758-88-5
CeF3; mol wt 197.11.
Ce 71.09%, F 28.92%.

Description and references

Prepd by the action of HF on CeO2: von Wartenberg, Z. Anorg. Allg. Chem. 244, 343 (1940); by the action of F2 or concd HF on CeSi2: Sterba, Ann. Chim. Phys. [8] 2, 193 (1904); from CCl2F2 and CeO2: Pausewang, Rüdorff, Z. Anorg. Allg. Chem. 369, 89 (1969).

Properties

Hexagonal crystals or powder. d 6.157. mp 1460°. Practically insol in, but slowly hydrolyzed by water.