Diphenyl sulfone

Names
Preferred IUPAC name

1,1′-Sulfonyldibenzene

Other names

Diphenyl sulphone

Identifiers

CAS Number

* 127-63-9 Y

3D model (JSmol)

* Interactive image

ChEBI |

* CHEBI:78360

ChemSpider |

* 29117

PubChem CID

* 31386

UNII |

* V25W2CFS3M Y

InChI

* 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

SMILES

* O=S(=O)(c1ccccc1)c2ccccc2

Properties

Chemical formula

| 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).

Infobox references

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.

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

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. http://www.orgsyn.org/demo.aspx?prep=CV1P0084. ;  Collective Volume, 1, pp. 84

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*[CID]: Compound ID