Iodine(I) fluorosulfonate

Iodine(I) fluorosulfonate
Names
Other names
Iodine(I) fluorosulfate, iodine fluorosulfate
Identifiers
3D model (JSmol)
ChemSpider
  • InChI=1S/FIO3S/c1-6(3,4)5-2
    Key: SQEZHUFQILAKPK-UHFFFAOYSA-N
  • O=S(=O)(OI)F
Properties
FIO3S
Molar mass 225.96 g·mol−1
Appearance black crystals
Melting point 51.5 °C
reacts with water
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Iodine(I) fluorosulfonate is an inorganic compound of iodine, sulfur, fluorine, and oxygen with the chemical formula ISO3F. This is a monovalent compound of iodine from the group of fluorosulfonates.[1][2]

Synthesis

Like the other halofluorosulfonates, iodine(I) fluorosulfonate can be obtained from iodine and peroxydisulfuryl difluoride:[3][4]

I2 + S2O6F2 → 2ISO3F

Chemical properties

Reaction with iodine at 85 °C can convert iodine(I) fluorosulfate to triiodine fluorosulfonate.

I2 + ISO3F → I3SO3F

When dissolved in carbon tetrachloride, iodine monochloride, peroxydisulfuryl difluoride, and phosgene are formed:[5][6]

2ISO3F + CCl4 → 2ICl + S2O6F2 + COCl2

However, carbon dioxide can also be produced instead of phosgene:

4ISO3F + CCl4 → 4 ICl + 2 S2O6F2 + CO2

Physical properties

The compound forms black crystals.[4]

See also

References

  1. ^ Shack, Carl J.; Christe, Karl O. (1 May 1982). "Iodine fluorosulfate reactions with fluorocarbons". Journal of Fluorine Chemistry. 20 (3): 283–290. Bibcode:1982JFluC..20..283S. doi:10.1016/S0022-1139(00)82219-8. ISSN 0022-1139. Retrieved 14 August 2025.
  2. ^ Ameduri, B. (18 September 1997). Organofluorine Chemistry: Fluorinated Alkenes and Reactive Intermediates. Springer Science & Business Media. p. 68. ISBN 978-3-540-63171-2. Retrieved 14 August 2025.
  3. ^ Cotton, F. Albert (17 September 2009). Progress in Inorganic Chemistry, Volume 7. John Wiley & Sons. p. 65. ISBN 978-0-470-16658-1. Retrieved 14 August 2025.
  4. ^ a b Macintyre, Jane E. (23 July 1992). Dictionary of Inorganic Compounds. CRC Press. ISBN 978-0-412-30120-9. Retrieved 14 August 2025.
  5. ^ Aubke, Friedhelm; Cady, George H. (1 March 1965). "Iodine Fluorosulfates". Inorganic Chemistry. 4 (3): 269–273. doi:10.1021/ic50025a001. ISSN 0020-1669. Retrieved 14 August 2025.
  6. ^ Kasumov, T. M.; Koz'min, A. S.; Zefirov, N. S. (1997). "Chemistry of inorganic sulfonates and sulfates of polyvalent iodine". Russian Chemical Reviews. 66 (10): 843–857. Bibcode:1997RuCRv..66..843K. doi:10.1070/RC1997v066n10ABEH000282. Retrieved 14 August 2025.
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