Titanium(II) iodide

Titanium(II) iodide
Identifiers
CAS Number	13783-07-8;
3D model (JSmol)	Interactive image;
ChemSpider	122821;
PubChem CID	139268;
	InChI InChI=1S/2HI.Ti/h2*1H;/q;;+2/p-2 Key: XXLOICMXOBKOLH-UHFFFAOYSA-L;
	SMILES [Ti](I)I;
Properties
Chemical formula	TiI2
Appearance	black solid
Density	5.2 g/cm3
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Titanium(II) iodide is the inorganic compound with the formula TiI₂. It is a black micaceous solid. It adopts the cadmium iodide structure, featuring octahedral Ti(II) centers. It arises via the reaction of the elements:[1]

Ti + I₂ → TiI₂

As such, it is an implied intermediate in the van Arkel–de Boer process for the purification of titanium metal.

References

Klemm, Wilhelm; Grimm, Ludwig (1942). "Zur Kenntnis der Dihalogenide des Titans und Vanadins". Zeitschrift für Anorganische und Allgemeine Chemie. 249 (2): 198–208. doi:10.1002/zaac.19422490204.

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[Klemm-1] Klemm, Wilhelm; Grimm, Ludwig (1942). "Zur Kenntnis der Dihalogenide des Titans und Vanadins". Zeitschrift für Anorganische und Allgemeine Chemie. 249 (2): 198–208. doi:10.1002/zaac.19422490204.