Benzenesulfonyl chloride

CAS Registry Number®

98-09-9

CAS Name

Benzenesulfonyl chloride

Molecular Formula

C6H5ClO2S

Molecular Mass

176.62

Cite this Page

Benzenesulfonyl chloride.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?ref=98-09-9 (retrieved 2025-07-04) (CAS RN: 98-09-9).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    120 °C @ Press: 10 Torr

  • Melting Point (1)

    14.5 °C

  • Density (1)

    1.3842 g/cm³ @ Temp: 15 °C

Source(s)

  • (1) Hazardous Substances Data Bank data were obtained from the National Library of Medicine (US)

Other Names and Identifiers

InChI

InChI=1S/C6H5ClO2S/c7-10(8,9)6-4-2-1-3-5-6/h1-5H

InChIKey

InChIKey=CSKNSYBAZOQPLR-UHFFFAOYSA-N

SMILES

S(Cl)(=O)(=O)C1=CC=CC=C1

Canonical SMILES

O=S(=O)(Cl)C=1C=CC=CC1

Other Names for this Substance

  • Benzenesulfonyl chloride
  • Benzene sulfochloride
  • Benzenesulfonic chloride
  • Phenylsulfonyl chloride
  • NSC 2864

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Deleted or Replaced CAS Registry Numbers

114415-79-1

CAS INSIGHTSTM
Aspergillus fungus, computer illustration. This is a toxic fungus that causes diseases in humans.