Zirconium(IV) iodide

Zirconium(IV) iodide
Names
	Other names zirconium tetraiodide
Identifiers
CAS Number	13986-26-0 ;
3D model (JSmol)	Interactive image;
ChemSpider	75903 ;
ECHA InfoCard	100.034.332
EC Number	237-780-9;
PubChem CID	84133;
UNII	H6NZC1810V;
CompTox Dashboard (EPA)	DTXSID90894910 ;
	InChI InChI=1S/4HI.Zr/h41H;/q;;;;+4/p-4 Key: XLMQAUWIRARSJG-UHFFFAOYSA-J ; InChI=1/4HI.Zr/h41H;/q;;;;+4/p-4 Key: XLMQAUWIRARSJG-XBHQNQODAZ;
	SMILES [Zr+4].[I-].[I-].[I-].[I-];
Properties
Chemical formula	ZrI4
Molar mass	598.842 g/mol
Appearance	orange-yellow crystalline; hygroscopic
Density	4.914 g/cm3
Melting point	499 °C (930 °F; 772 K) ; (triple point)
Boiling point	431 °C (808 °F; 704 K) (sublimes)
Structure
Crystal structure	Monoclinic, mP30
Space group	P2/c, No. 13
Hazards
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H314
Precautionary statements	P260, P264, P280, P301+P330+P331, P303+P361+P353, P304+P340, P305+P351+P338, P310, P321, P363, P405, P501
NFPA 704 (fire diamond)	3 0 2
Related compounds
Other anions	Zirconium(IV) fluoride; Zirconium(IV) chloride; Zirconium(IV) bromide
Other cations	Titanium tetraiodide; Hafnium tetraiodide
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Zirconium(IV) iodide is the chemical compound with the formula Zr I₄. It is the most readily available iodide of zirconium. It is an orange-coloured solid that degrades in the presence of water. The compound was once prominent as an intermediate in the purification of zirconium metal.