Title: Cerous Iodide
CAS Registry Number: 7790-87-6
Molecular Formula: CeI3
Molecular Weight: 520.83
Percent Composition: Ce 26.90%, I 73.10%
Literature 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.
Melting point: mp 752°
Derivative Type: 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.