Dimethyl sulfoxide

CAS Registry Number®

67-68-5

CAS Name

Dimethyl sulfoxide

Molecular Formula

C2H6OS

Molecular Mass

78.13

Cite this Page

Dimethyl sulfoxide.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=8070-53-9 (retrieved 2024-11-24) (CAS RN: 67-68-5).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    189 °C

  • Melting Point (2)

    18.5 °C

  • Density (1)

    1.100 g/cm³ @ Temp: 20 °C

Source(s)

  • (1) Hazardous Substances Data Bank data were obtained from the National Library of Medicine (US)
  • (2) International Chemical Safety Cards data were obtained from the National Institute for Occupational Safety and Health (US)

Other Names and Identifiers

InChI

InChI=1S/C2H6OS/c1-4(2)3/h1-2H3

InChIKey

InChIKey=IAZDPXIOMUYVGZ-UHFFFAOYSA-N

SMILES

S(C)(C)=O

Canonical SMILES

O=S(C)C

Other Names for this Substance

  • Methane, 1,1′-sulfinylbis-
  • Methyl sulfoxide
  • Methane, sulfinylbis-
  • 1,1′-Sulfinylbis[methane]
  • SQ 9453

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Deleted or Replaced CAS Registry Numbers

8070-53-9, 164071-41-4, 705301-21-9, 1173018-42-2

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