Diphenyl sulfone

  • CAS:127-63-9
  • MF:
  • Purity:99.5%
  • Molecular Weight:
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Product Details

  • CAS: 127-63-9
  • Appearance: White Powder
  • Purity: 99.5%
  • Buy High Grade Diphenyl Sulfone 127-63-9, Hot Sale with Fast Shipping

    • Molecular Formula:C12H10O2S
    • Molecular Weight:218.276
    • Appearance/Colour:white crystalline powder 
    • Vapor Pressure:1.36E-05mmHg at 25°C 
    • Melting Point:123-129 °C(lit.) 
    • Refractive Index:1.593 
    • Boiling Point:378.5 °C at 760 mmHg 
    • Flash Point:226.8 °C 
    • PSA:42.52000 
    • Density:1.227 g/cm3 
    • LogP:3.60020 

    Diphenyl sulfone(Cas 127-63-9) Usage

    Chemical Properties

    Diphenyl sulfone is a sulfone compound having two S-phenyl substituents. It is a crystalline powder that is soluble in organic solvents. It has been found in plants like Gnidia glauca and Dioscorea bulbifera. It has a role as a plant metabolite. Diphenyl sulfone is formed under certain conditions by the action of aqueous sulfuric acid on benzene. 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.


    Ovicide; acaricide.


    ChEBI: A sulfone compound having two S-phenyl substituents. It has been found in plants like Gnidia glauca and Dioscorea bulbifera.

    Synthesis Reference(s)

    The Journal of Organic Chemistry, 50, p. 1784, 1985 DOI: 10.1021/jo00210a053Synthesis, p. 342, 1974Tetrahedron Letters, 21, p. 689, 1980 DOI: 10.1016/S0040-4039(00)71446-8

    Flammability and Explosibility


    Purification Methods

    Crystallise the sulfone from diethyl ether. It has been purified by zone melting. [Beilstein 6 H 300, 6 IV 1490.]


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    127-63-9 Process route

    chlorosulfonate de trimethylsilyle

    chlorosulfonate de trimethylsilyle



    diphenyl sulphone

    diphenyl sulphone

    trimethylsilyl benzenesulfonate

    trimethylsilyl benzenesulfonate

    Conditions Yield
    at 80 ℃; for 10h; Product distribution; also with other three alkylsubstituted and one halogensubstituted aromatic hydrocarbons;




    diphenyl sulphone

    diphenyl sulphone

    trimethylsilyl benzenesulfonate

    trimethylsilyl benzenesulfonate



    benzenesulfonic acid

    benzenesulfonic acid

    Conditions Yield
    at 80 ℃; for 3h;

    127-63-9 Upstream products

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      Perbenzoic acid

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    • 139-66-2

      diphenyl sulfide

    • 60-29-7

      diethyl ether

    127-63-9 Downstream products

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    • 18920-16-6


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    Antioxidant BHT 264



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