Diphenyl sulfone is an organosulfur compound with the formula (C6H5)2SO2. It is a white solid that is soluble in organic solvents. It is used as a high temperature solvent. Such high temperature solvents are useful for processing highly rigid polymers, e.g., PEEK, which only dissolve in very hot solvents.

Diphenyl sulfone
Names
Preferred IUPAC name
1,1′-Sulfonyldibenzene
Other names
Diphenyl sulphone
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.004.413 Edit this at Wikidata
UNII
  • InChI=1S/C12H10O2S/c13-15(14,11-7-3-1-4-8-11)12-9-5-2-6-10-12/h1-10H
    Key: KZTYYGOKRVBIMI-UHFFFAOYSA-N
  • InChI=1/C12H10O2S/c13-15(14,11-7-3-1-4-8-11)12-9-5-2-6-10-12/h1-10H
    Key: KZTYYGOKRVBIMI-UHFFFAOYAU
  • O=S(=O)(c1ccccc1)c2ccccc2
Properties
C12H10O2S
Molar mass 218.27 g·mol−1
Melting point 123 °C (253 °F; 396 K)
Boiling point 379 °C (714 °F; 652 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

It is produced by the sulfonation of benzene with sulfuric acid and oleum. For typical processes, benzenesulfonic acid is an intermediate.[1] It is also produced from benzenesulfonyl chloride and benzene.[2]

References

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  1. ^ Otto Lindner, Lars Rodefeld "Benzenesulfonic Acids and Their Derivatives" in Ullmann's Encyclopedia of Industrial Chemistry 2005, Wiley-VCH, Weinheim. doi:10.1002/14356007.a03_507
  2. ^ Roger Adams, C. S. Marvel, H. T. Clarke, G. S. Babcock, and T. F. Murray (1921). "Benzenesulfonyl chloride". Organic Syntheses. 1: 21{{cite journal}}: CS1 maint: multiple names: authors list (link); Collected Volumes, vol. 1, p. 84.