Molecule record

dimethyl sulfoxide

C2H6OS

78.14 g/mol

2D structure for dimethyl sulfoxide

Molecular properties

Formula
C2H6OS
Molar mass
78.14 g·mol−1
Exact mass
78.0139 Da
0
0
2
36.30 Ų
-0.6 (PubChem computed XLogP3-AA descriptor)
CAS
67-68-5
PubChem CID
679

Interactions

Polarity
Polar functional group with nonpolar contribution from the carbon skeleton.
Acid-base behavior
Review ionizable groups and pKa data where available; ChemForge does not infer definitive acid-base state from identity alone.
Intermolecular forces
Assess dispersion, dipole interactions, hydrogen bonding, and ionic character from the functional groups shown.

Functional groups

Sulfoxide
Thiol

Physical properties

PropertyValueConditionsSource
Logp-0.6PubChem computed XLogP3-AA descriptorPubChem(link only)

Common names and synonyms

  • 67-68-5
  • DMSO
  • Deltan
  • Demasorb
  • Demavet
  • Demeso
  • Demsodrox
  • Dermasorb
Show all 23 synonyms
  • Dimethyl sulphoxide
  • Dimethylsulfoxide
  • Dimexide
  • Dolicur
  • Domoso
  • Dromisol
  • Durasorb
  • Hyadur
  • Infiltrina
  • Methane, sulfinylbis-
  • Methyl sulfoxide
  • Methylsulfinylmethane
  • Somipront
  • Syntexan
  • sulfinylbismethane

Structure identifiers

Canonical SMILES
CS(=O)C
Isomeric SMILES
CS(=O)C
InChI
InChI=1S/C2H6OS/c1-4(2)3/h1-2H3
InChIKey
IAZDPXIOMUYVGZ-UHFFFAOYSA-N
PubChem CID
679

Spectroscopy

Tabs appear only for spectra stored with clear provenance.

Open library
No redistributable or simulated spectroscopy record is attached yet.

Simulated NMR

On-demand educational prediction for dimethyl sulfoxide; not experimental data.

Simulated EI mass spectrum

On-demand educational fragmentation for dimethyl sulfoxide; not experimental data.

Sources

Molecule identity

Retrieved 8/7/2026. Reuse status is summarized by the badge; open the source for full details.

Open source record