1. Dimethyl sulfoxide is widely used as a solvent and reaction reagent；
2. Used as a solvent for acetylene, aromatic hydrocarbons, sulfur dioxide and other gases and as a solvent for spinning acrylic fibers.
3. It can also be used as an additive for pesticides. It is also a very important chemical reagent.
4. An osmotic protective agent,
5. An extremely important aprotic polar solvent that is soluble in water and organic solvents.