dimethyl sulfoxide
C2H6OS
Dimethyl sulfoxide has the molecular formula C2H6OS and a molar mass of 78.14 g/mol, a melting point of 18.5 °C and a boiling point of 189 °C.
Properties
| Molecular formula | C2H6OS |
|---|---|
| Molar mass | 78.14 g/mol |
| Exact (monoisotopic) mass | 78.01394 g/mol |
| Melting point | 18.52 °C |
| Boiling point | 189 °C |
| Density | 1.1004 g/cm³ |
| logP (octanol–water) | -0.6 |
| Topological polar surface area | 36.3 Ų |
| Hydrogen-bond donors / acceptors | 0 / 2 |
| Heavy atoms | 4 |
| InChIKey | IAZDPXIOMUYVGZ-UHFFFAOYSA-N |
| IUPAC name | methylsulfinylmethane |
Elemental composition
10 atoms across 4 elements, by mass.
| Element | Atoms | Percent by mass |
|---|---|---|
| Sulfur (S) | 1 | 41.03% |
| Carbon (C) | 2 | 30.75% |
| Oxygen (O) | 1 | 20.48% |
| Hydrogen (H) | 6 | 7.74% |
Calculate with dimethyl sulfoxide
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Related compounds
Molar mass and elemental composition are computed from IUPAC 2021 conventional atomic weights. Formula, exact mass and the computed descriptors come from PubChem, which is US government work and in the public domain. Melting point, boiling point and density come from Wikidata under CC0. Properties with no figure shown are absent from those sources rather than zero.