p-Toluenesulfonic anhydride

CAS Registry Number®

4124-41-8

CAS Name

p-Toluenesulfonic anhydride

Molecular Formula

C14H14O5S2

Molecular Mass

326.39

Cite this Page

p-Toluenesulfonic anhydride.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=4124-41-8 (retrieved 2024-11-22) (CAS RN: 4124-41-8).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    122-125 °C (decomp)

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C14H14O5S2/c1-11-3-7-13(8-4-11)20(15,16)19-21(17,18)14-9-5-12(2)6-10-14/h3-10H,1-2H3

InChIKey

InChIKey=PDVFSPNIEOYOQL-UHFFFAOYSA-N

SMILES

S(OS(=O)(=O)C1=CC=C(C)C=C1)(=O)(=O)C2=CC=C(C)C=C2

Canonical SMILES

O=S(=O)(OS(=O)(=O)C1=CC=C(C=C1)C)C2=CC=C(C=C2)C

Other Names for this Substance

  • Benzenesulfonic acid, 4-methyl-, 1,1′-anhydride
  • p-Toluenesulfonic anhydride
  • Benzenesulfonic acid, 4-methyl-, anhydride
  • p-Toluenesulfonic acid anhydride
  • 4-Toluenesulfonic anhydride

Deleted or Replaced CAS Registry Numbers

135089-46-2, 2578126-57-3

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