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Solvent Center
Dimethyl sulfoxide
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Whether you need HPLC dimethyl sulfoxide, ACS Spectrophotometric dimethyl sulfoxide, Anhydrous dimethyl sulfoxide or another Sigma-Aldrich grade, we stock the right product for your application. As a leading supplier of high-purity, research grade solvents, we have the DMSO to meet your exact needs.
| Dimethyl Sulfoxide Physical Property |
| Synonym |
Methyl sulfoxide |
Beilstein Registry |
506008 |
| Molecular Formula |
(CH3)2SO |
EG/EC Number |
2006643 |
| Molecular Weight |
78.13 |
MDL Number |
MFCD00002089 |
| CAS Number |
67-68-5 |
Vapor Pressure |
0.42 mm Hg (20°C) |
| Density |
1.100 g/mL at 25ºC |
Dielectric Constant |
47.24 at 20ºC |
| Boiling Point |
189ºC |
Dipole Moment |
3.960 |
| Melting Point |
16-19 ºC |
UV cutoff |
265 nm |
| Flash Point |
85.0°C |
Refractive Index |
1.479 at 20ºC |
| Viscosity |
1.990 at 25°C |
Vapor Density |
2.7 (vs. air) |
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| Dimethyl Sulfoxide Miscibility / Immiscibility Table |
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