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Gallium(III) iodide

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Gallium(III) iodide
Gallium(III) iodide
Names
Other names gallium triiodide
Identifiers
CAS Number
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.033.269 Edit this at Wikidata
PubChem CID
CompTox Dashboard (EPA)
InChI
  • InChI=1S/Ga.3HI/h;3*1H/q+3;;;/p-3Key: DWRNSCDYNYYYHT-UHFFFAOYSA-K
  • InChI=1/Ga.3HI/h;3*1H/q+3;;;/p-3Key: DWRNSCDYNYYYHT-DFZHHIFOAW
SMILES
  • I(I)I
Properties
Chemical formula Ga2I6
Molar mass 450.436 g/mol
Appearance light yellow powder
Density 4.15 g/cm
Melting point 212 °C
Boiling point 345 °C
Solubility in water decomposes
Hazards
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 4: Very short exposure could cause death or major residual injury. E.g. VX gasFlammability 0: Will not burn. E.g. waterInstability 1: Normally stable, but can become unstable at elevated temperatures and pressures. E.g. calciumSpecial hazards (white): no code
4 0 1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Infobox references
Chemical compound

Gallium(III) iodide is the chemical compound with the formula Ga2I6. It is the most common iodide of gallium. In the chemical vapor transport method of growing crystals of gallium arsenide uses iodine as the transport agent. It reversibly forms GaI3.

Gallium triiodide can be reduced with gallium metal to give a green-colored solid called "gallium(I) iodide." The nature of this species is unclear, but it is useful for the preparation of compounds of gallium(I) and galium(II) and is reported as useful in organic syntheses.

References

  1. C. Brünig, S. Locmelis, E. Milke, M. Binnewies, "Chemischer Transport fester Lösungen. 27. Mischphasenbildung und chemischer Transport im System ZnSe/GaAs" Zeitschrift für anorganische und allgemeine Chemie 2006, 632, 6 , 1067 - 1072. doi:10.1002/zaac.200600008
  2. Baker, Robert J.; Jones, Cameron. ""GaI": A versatile reagent for the synthetic chemist" Dalton Transactions (2005), (8), pp. 1341-1348. doi:10.1039/b501310k
  3. GaI: A new reagent for chemo- and diastereoselective C–C bond forming reactions, Green SP, Jones C., Stasch A., Rose R.P, New J. Chem., 2007, 31, 127 - 134, doi:10.1039/b613669a

See also

Gallium compounds
Gallium(−V)
Gallium(I)
Gallium(II)
Gallium(I,III)
Gallium(III)
Organogallium(III) compounds
  • Ga(C5H7O2)3
  • Ga(CH3)3
  • Ga(C2H5)3


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