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Dimethyl sulfoxide is not only a very versatile organic solvent, and is also very lively reaction reagent. As an organic solvent dimethyl sulfoxide is widely used in petroleum, chemical, pharmaceutical, electronics, synthetic fibre, plastic, printing and dyeing and other industries. Especially because it has anti-inflammatory, analgesic, diuretic, calm and promote wound healing, the penetration of the body has a strong and carrying, synergy of other drugs, can rub the dissolved other drugs through the skin, penetrate into the body, instead of oral or injected, therefore it has the permeability, can be used as drug carrier, at present, the production of bone friendly spirit, beriberi, loose skin hydrogen ointment substandard drug and hospitals have been widely used in external preparation; According to a study showed that dimethyl sulfoxide can also be used in the treatment of arthritis, dermatitis, beriberi, sprain, tumor and other diseases, proved by animal experiments, dimethyl sulfoxide and inhibiting tumor development.
As reaction reagent, dimethyl sulfoxide in organic chemistry reaction can play a dual role of reaction solvent and raw materials, reaction to certain cannot achieve in dimethyl sulfoxide can smoothly; For some chemical reactions have accelerated, catalytic effect, can improve the reaction yield, change product performance; Dimethyl sulfoxide in nucleophilic substitution, nucleophilic substitution reaction, double bond rearrangement and polymer, ester condensation of the chemical reaction such as reaction solvent, because it have a special solvent effect on the chemical reaction and dissolution characteristics of many substances, has been called the "universal solvent".
In addition, the dimethyl sulfoxide also can be used as a solvent, dye, synthetic fiber dyeing carrier and paint remover, etc. In recent years, it as antifreeze, brake fluid, rare metals extraction agent, etc. New USES have also been expanding. Dimethyl sulfide synthesis reaction is an exothermic reaction, different process from hot way determines the structure of the reactor. The domestic part of the process from hot, molten salt way Japan TORAY process using diphenyl ether gasification from heat.