Disulfuryl chloride fluoride

Last updated
Disulfuryl chloride fluoride
Disulfuryl chloride fluoride.svg
Names
Preferred IUPAC name
[(fluorosulfonyl)oxy]sulfonyl chloride
Other names
  • Chloridosulfuric fluoridosulfuric anhydride [1]
  • Pyrosulfuryl chloride fluoride
  • Sulfur(VI) pentoxychloride fluoride
Identifiers
3D model (JSmol)
ChemSpider
PubChem CID
  • InChI=1S/ClFO5S2/c1-8(3,4)7-9(2,5)6
    Key: FKKHMCZBUXHJDY-UHFFFAOYSA-N
  • O=S(=O)(OS(=O)(=O)Cl)F
Properties
ClFO5S2
Molar mass 198.56 g·mol−1
Appearancecolorless liquid
Density 1.7934 g/cm3
Boiling point 100 °C (212 °F; 373 K)
reacts with water
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Disulfuryl chloride fluoride (pyrosulfuryl chloride fluoride) is an inorganic compound of sulfur, chlorine, fluorine, and oxygen with the chemical formula S2O5ClF. [2] Structurally, it is the chlorofluorosulfuric acid analog of disulfuric acid, or the mixed anhydride of chlorosulfuric acid and fluorosulfuric acid.

Contents

Synthesis

Rapid heating of fluorosulfonic acid and cyanuric chloride: [3]

6HSO3F + (CNCl)3 → 3S2O5ClF + (HNCO)3 + 3HF

Also, a reaction of disulfuryl chloride (S2O5Cl2) on silver monofluoride (AgF) at 80-90 °C. [4]

Physical properties

Disulfuryl chloride fluoride is a colorless liquid.

The compound hydrolyzes in water.

See also

References

  1. "Disulfuryl chloride fluoride | Chemical Substance Information | J-GLOBAL". J-GLOBAL. Retrieved 18 August 2025.
  2. Dykyj, J.; Svoboda, J.; Wilhoit, R. C.; Frenkel, M. L.; Hall, K. R. (1999). "Vapor Pressure of Chemicals: Part A. Vapor Pressure and Antoine Constants for Hydrocarbons and Sulfur, Selenium, Tellurium and Hydrogen Containing Organic Compounds". NIST . Retrieved 18 August 2025.
  3. Inorganic Syntheses: Volume XI. New York: John Wiley & Sons. 2009. p. 153. ISBN   9780470132753 . Retrieved 18 August 2025.
  4. Simons, J. H. (2 December 2012). Fluorine Chemistry V5. Elsevier. p. 71. ISBN   978-0-323-14724-8 . Retrieved 20 August 2025.