9127. Tellurium Tetraiodide

Nomenclature

CAS number: 7790-48-9
I4Te; mol wt 635.22.
I 79.91%, Te 20.09%.
TeI4.

Description and references

Prepd from Te(OH)6 and HI, Gutbier, Flury, Z. Anorg. Allg. Chem. 32,108 (1902); Damiens, Ann. Chim. [9] 19, 44 (1923); Fehér in Handbook of Preparative Inorganic Chemistry vol. 1, G. Brauer, Ed. (Academic Press, New York, 2nd ed., 1963) p 447.

Properties

Gunmetal-gray crystals. Stable in moist air. d415 5.05. mp 280°. Gives off I2 when heated. Hydrolyzed slowly by cold, quickly by hot water, forming TeO2 and HI. Sol in HI; somewhat sol in acetone.