Dimethyl sulfoxide is used as a solvent for chemical reactions involving salts, most notably in Finkelstein reactions and in other nucleophilic substitutions. DMSO is an effective pain relieving agent. Used in antifreeze or hydraulic fluids. Utilized in the oxidation of thiols and disulfides to sulfonic acids. Used to enhance dermal absorption of many chemicals.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.