Dimethyl sulfoxide(DMSO) application 1. DMSO in petroleum processing field DMSO is used as extracting solvent in aromatics extraction. It has the advantages of: (1) high selectivity on arene; (2) unlimited mixing with arene under room temperature; (3) low extraction temperature; (4) non-toxic; (5) simple extraction technique, energy saving; Because that DMSO is insoluble in arene, it is used for the manufacturing of edible wax and white oil. In addition, it is used in lubrication oil and diesel oil. 2. DMSO in synthetic fiber field It has the features of simple technique, high solubility, high boiling point and low cost. It is used for the production of polyester resin, chloro fiber and vinyl cyanide. 3. DMSO in pharmaceutical production It is widely used in pharmaceutical intermediate synthesis as reaction solvent, such as, norfloxacin, ofloxacin and etc. And it is used in the preparation of berberine, and traditional Chinese medicine extraction. 4. DMSO in medical treatment field DMSO has the effect of diminish inflammation, analgesia, wound healing, diuresis and etc. It has curative effect on neurodermatitis, psoriasis, arthritis, bursitis, epifolliculitis, rheumatoid, otitis media, piles lumbar muscle degeneration and other diseases. 5. DMSO in pesticide and fertilizer DMSO is synergist of pesticide and fertilizer solvent and penetrant.