Iodine trichloride
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Full structural formula of the dimer | |
Space-filling model of the dimer | |
Commercial sample of iodine trichloride | |
Names | |
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IUPAC name
iodine trichloride
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Identifiers | |
865-44-1 | |
ChemSpider | 63265 |
Jmol 3D model | Interactive image |
PubChem | 70076 |
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Properties | |
I2Cl6 | |
Molar mass | 466.5281 g/mol |
Appearance | yellow solid |
Density | 3.11 g/cm3 |
Melting point | 63 °C (145 °F; 336 K) |
Vapor pressure | {{{value}}} |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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verify (what is ?) | |
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 I2Cl6, Cl2I(μ-Cl)2ICl2, with two bridging Cl atoms.[1]
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:[2]
- I2Cl6 ⇌ ICl2+ + ICl4−
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.
References
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