1999. Cerous Iodide

Nomenclature

CAS number: 7790-87-6
CeI3; mol wt 520.83.
Ce 26.90%, I 73.10%.

Description and references

Prepn from Ce and HgI2: Asprey et al., Inorg. Chem. 3, 1137 (1964); from the oxide and HI in the presence of NH4I: Taylor, Curtis, J. Inorg. Nucl. Chem. 24, 387 (1962).

Properties

Bright yellow, orthorhombic crystals. mp 752°. Dec in moist air. Sol in water.

Derivative

Nonahydrate.

Properties

White to reddish-white crystals. Very sol in water, the soln readily decomposing with separation of iodine; sol in alc. Keep well closed and protected from light.