346. Aluminum Iodide

Nomenclature

CAS number: 7784-23-8
AlI3; mol wt 407.69.
Al 6.62%, I 93.38%.

Description and references

Prepn from aluminum and iodine: Watt, Hall, Inorg. Synth. 4, 117 (1953); H. J. Becher in Handbook of Preparative Inorganic Chemistry vol. 1, G. Brauer, Ed. (Academic Press, New York, 2nd ed., 1963) p 814; Wilson, Worrall, J. Chem. Soc. A 1968, 316.

Properties

White leaflets if pure; commercial grade yellowish- to blackish-brown lumps. mp 191°; bp 382°; d17 3.948. Fumes in moist air; strong exothermic reaction with water. Keep tightly closed and protected from light. Sol in carbon disulfide, alcohol, ether, liquid ammonia.

Derivative

Hexahydrate.

Properties

Yellowish, deliquesc cryst powder. Sol in water, alcohol, ether. Keep tightly closed.

Use

Catalyst in organic reactions.