Sulfuryl chloride fluoride

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Sulfuryl chloride fluoride
Structure of sulfuryl chloride fluoride
Names
IUPAC name
Sulfuryl chloride fluoride
Other names
Sulfuryl fluoride chloride
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.033.737 Edit this at Wikidata
RTECS number
  • WT4900000
  • InChI=1S/ClFO2S/c1-5(2,3)4 checkY
    Key: IXPAAHZTOUOJJM-UHFFFAOYSA-N checkY
  • InChI=1/ClFO2S/c1-5(2,3)4
    Key: IXPAAHZTOUOJJM-UHFFFAOYAK
  • ClS(F)(=O)=O
Properties
ClFO2S
Molar mass 118.52 g/mol
Appearance colourless gas
Density 1.623 g/cm3 at 0 °C
Melting point −124.7 °C
Boiling point 7.1 °C
hydrolyses
Solubility in other solvents SO2 and ether
Structure
tetrahedral
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
 moderately toxic, corrosive
Related compounds
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
☒N verify (what is checkY☒N ?)

Sulfuryl chloride fluoride is the chemical compound with the formula SO2ClF. It is employed as a solvent for highly oxidizing compounds.

The laboratory-scale synthesis begins with the preparation of potassium fluorosulfite:[2]

SO2 + KF → KSO2F

This salt is then chlorinated to give sulfuryl chloride fluoride[3]

KSO2F + Cl2 → SO2ClF + KCl

Further heating (180 °C) of potassium fluorosulfite with the sulfuryl chloride fluoride gives sulfuryl fluoride.

Alternatively, sulfuryl chloride fluoride can be prepared without using gases as starting materials by treating sulfuryl chloride with ammonium fluoride or potassium fluoride in trifluoroacetic acid.[4]

SO2Cl2 + NH4F → SO2ClF + NH4Cl

References

  1. ^ https://fscimage.fishersci.com/msds/88306.htm
  2. ^ Seel, F.; Czerepinski, Ralph G.; Cady, George H. (1967). "Potassium Fluorosulfite". Inorg. Synth. Inorganic Syntheses. 9: 113–115. doi:10.1002/9780470132401.ch29. ISBN 978-0-470-13240-1.
  3. ^ Seel, F.; Duncan, Leonard C.; Czerepinski, Ralph G.; Cady, George H. (1967). "Sulfuryl Chloride Fluoride and Sufluryl Fluoride". Inorg. Synth. Inorganic Syntheses. 9: 111–113. doi:10.1002/9780470132401.ch28. ISBN 978-0-470-13240-1. {{cite journal}}: Unknown parameter |DUPLICATE DATA: journal= ignored (help)
  4. ^ Prakash Reddy, V (1992). "A convenient preparation of sulfuryl chloride fluoride". Journal of Fluorine Chemistry. 56 (2): 195–197. doi:10.1016/S0022-1139(00)81102-1.


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