Product Information
- NSC 56552
- 2,3-Butanediol, cyclic sulfite
- 1,3,2-Dioxathiolane, 4,5-dimethyl-, 2-oxide
- 4,5-Dimethyl-2-oxo-1,3,2-dioxathiolane
- sym-Dimethylethylene sulfite
Dimethyl sulfoxide, or DMSO, is a colorless liquid that is miscible with water and has a high boiling point. It is used as a solvent in organic synthesis and as a polar protic solvent. It can be used to extract nonpolar solutes from polar solvents. The infrared spectrum of DMSO shows bands at 3369 cm-1 and 1675 cm-1. These bands correspond to the stretching frequencies of the S-O group in the sulfite group. Spectra show that DMSO is symmetric about both C-S and C-O bonds, making it a dipole with no net charge. DMSO can be obtained by the equilibrium reaction between dimethyl sulphoxide and ethylene: 2CH3SO + H2 → CH3SO2H + CH3OH
Chemical properties
Technical inquiry about: 3D-FD156719 4,5-Dimethyl-1,3,2-dioxathiolane 2-oxide
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