2-Sulfobenzoic acid cyclic anhydride

CAS Registry Number®

81-08-3

CAS Name

2-Sulfobenzoic acid cyclic anhydride

Molecular Formula

C7H4O4S

Molecular Mass

184.17

Cite this Page

2-Sulfobenzoic acid cyclic anhydride.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=81-08-3 (retrieved 2024-11-24) (CAS RN: 81-08-3).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    129.5 °C

Source(s)

  • (1) PhysProp data were obtained from Syracuse Research Corporation of Syracuse, New York (US)

Other Names and Identifiers

InChI

InChI=1S/C7H4O4S/c8-7-5-3-1-2-4-6(5)12(9,10)11-7/h1-4H

InChIKey

InChIKey=NCYNKWQXFADUOZ-UHFFFAOYSA-N

SMILES

O=S1(=O)C=2C(C(=O)O1)=CC=CC2

Canonical SMILES

O=C1OS(=O)(=O)C=2C=CC=CC12

Other Names for this Substance

  • 3H-2,1-Benzoxathiol-3-one, 1,1-dioxide
  • Benzoic acid, o-sulfo-, cyclic anhydride
  • o-Sulfobenzoic acid, cyclic anhydride
  • Benzoic acid, 2-sulfo-, cyclic anhydride
  • o-Sulfobenzoic anhydride

Deleted or Replaced CAS Registry Numbers

4377-89-3, 27396-44-7

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