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[Chemical Knowledge]：Properties and Uses of Dimethyl Sulfoxide

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Properties and Uses
of Dimethyl Sulfoxide
1. Introduction

Dimethyl sulfoxide (DMSO) is an important raw material for chemical production with unique physical and chemical properties and is widely used in many fields. In this paper, the properties and uses of dimethyl sulfoxide are discussed in detail.

2. the properties of dimethyl sulfoxide

1. Physical properties: dimethyl sulfoxide is a colorless and transparent liquid with a high boiling point, melting point and viscosity. It has good solubility and can dissolve many organic and inorganic substances.
2. chemical properties: dimethyl sulfoxide has a strong polarity, can be miscible with water, alcohol, acid, alkali and other substances. It is also highly reductive and can be oxidized to form dimethyl sulfone.

3. the use of dimethyl sulfoxide

1. medical field: dimethyl sulfoxide has good anti-inflammatory, analgesic, antioxidant and other effects, is widely used in the field of medicine. It can be used as a drug carrier to improve the solubility and bioavailability of drugs, and can also be used as an additive to drugs to improve the stability and shelf life of drugs.
2. Pesticide field: dimethyl sulfoxide can be used as a solvent and synergist of pesticides to improve the effect of pesticides and reduce the amount of use. It can also be mixed with pesticides to improve the stability and shelf life of pesticides.
3. Chemical industry: Dimethyl sulfoxide can be used as a solvent and catalyst for many chemical reactions to promote the reaction and improve the purity of the product. It can also be used to produce many important chemicals, such as dimethyl sulfide, dimethyl disulfide, etc.

Process for Producing 4. Dimethyl Sulfoxide

dimethyl sulfoxide can be prepared by reacting dimethyl sulfate with sodium sulfide. The specific production steps are as follows: adding sodium sulfide to water, stirring to form a suspension, then adding dimethyl sulfate, and reacting at 60-80°C for 2-3 hours. After completion of the reaction, the reaction mixture was cooled to room temperature, the pH value was adjusted to neutral with sodium hydroxide solution, dimethyl sulfoxide was precipitated, filtered, washed and dried to obtain the product.

5. the market prospect of dimethyl sulfoxide

With the continuous development of science and technology, the application field of dimethyl sulfoxide is more and more extensive, and the market demand is also increasing. In the future, as people's requirements for environmental protection and health are getting higher and higher, dimethyl sulfoxide will be more widely used in the fields of medicine, pesticide, chemical industry, etc., and the market prospect is broad.

6. conclusion

dimethyl sulfoxide as an important chemical raw material, with unique physical and chemical properties, is widely used in medicine, pesticide, chemical and other fields. In the future, with the continuous development of science and technology, the application prospect of dimethyl sulfoxide will be more broad.

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