Iodine trichloride

Iodine trichloride
Names



IUPAC name iodine trichloride
Identifiers
CAS Number	865-44-1^Y
3D model (Jmol)	Interactive image
ChemSpider	63265^Y
ECHA InfoCard	100.011.582
PubChem	70076
InChI InChI=1S/Cl3I/c1-4(2)3^Y Key: PAWIVBWALDNUJP-UHFFFAOYSA-N^Y InChI=1/Cl3I/c1-4(2)3 Key: PAWIVBWALDNUJP-UHFFFAOYAF
SMILES ClI(Cl)Cl
Properties
Chemical formula	I₂Cl₆
Molar mass	466.5281 g/mol
Appearance	yellow solid
Density	3.11 g/cm³
Melting point	63 °C (145 °F; 336 K)
Magnetic susceptibility (χ)	−90.2·10⁻⁶ cm³/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Y (what is ^YN ?)
Infobox references

Iodine trichloride is an interhalogen compound of iodine and chlorine. It is bright yellow and in the solid state is present as a planar dimer $I 2 Cl 6$ , $Cl 2 I(μ-Cl) 2 ICl 2$ , with two bridging $Cl$ atoms.

It can be prepared by reacting iodine with an excess of liquid chlorine at −70 °C. In the melt it is conductive, which may indicate dissociation:

Iodine trichloride can be created by heating a mixture of liquid iodine and chlorine gas to 105 °C.

It is an oxidizing agent, capable of causing fire on contact with organic materials.

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