Aluminium iodide

Aluminium iodide
Preferred IUPAC name Aluminium iodide
Other names	Aluminium(III) iodide Aluminum iodide Aluminium triiodide Aluminum triiodide
Identifiers
CAS number	7784-23-8
PubChem	82222
EC number	232-054-8
SMILES	I[Al](I)I
InChI InChI=1/Al.3HI/h;3*1H/q+3;;;/p-3
Properties
Molecular formula	AlI3
Molar mass	407.69495 g/mol (anhydrous) 515.786 g/mol (hexahydrate)
Appearance	colorless powder but impure samples are often brown
Density	3.98 g/cm3 (anhydrous) 2.63 g/cm3 (hexahydrate)
Melting point	189.4 °C (anhydrous) 185 °C, decomp. (hexahydrate)
Boiling point	360 °C, sublimes
Solubility in water	reacts violently (anhydrous) soluble (hexahydrate)
Solubility in alcohol, ether	soluble (hexahydrate)
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)

Aluminium iodide is any chemical compound made up of only aluminium and iodine. It is formed by the reaction of aluminium and iodine, or the action of hydrogen iodide on aluminium metal.