Ethanesulfonic acid

CAS Registry Number®

594-45-6

CAS Name

Ethanesulfonic acid

Molecular Formula

C2H6O3S

Molecular Mass

110.13

Cite this Page

Ethanesulfonic acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=594-45-6 (retrieved 2025-03-29) (CAS RN: 594-45-6).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    100 °C @ Press: 0.5 Torr

  • Melting Point (2)

    -17 °C

  • Density (3)

    1.360 g/cm³ @ Temp: 22 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C2H6O3S/c1-2-6(3,4)5/h2H2,1H3,(H,3,4,5)

InChIKey

InChIKey=CCIVGXIOQKPBKL-UHFFFAOYSA-N

SMILES

S(CC)(=O)(=O)O

Canonical SMILES

O=S(=O)(O)CC

Other Names for this Substance

  • Ethanesulfonic acid
  • Ethylsulfonic acid
  • 1-Ethanesulfonic acid
  • 2-Ethanesulfonic acid

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