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[Chemical Knowledge]：Properties and Uses of Sec-butyl Acetate

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Sec-butyl acetate is an important organic chemical raw material, which is widely used in the fields of medicine, pesticide, spice, dye, plastic and rubber. This article will detail the properties and uses of sec-butyl acetate.

1. The properties of sec-butyl acetate

1. Physical properties
sec-butyl acetate is a colorless transparent liquid with a pleasant fruit aroma. Relative density 0.8706, melting point -93.2 ℃, boiling point 103.2 ℃, refractive index 1. 3978, flash point 21.7 ℃ (open cup), ignition point 410.11 ℃, viscosity 0.664 mPa · s. With alcohol, ether and other organic solvents miscible, slightly soluble in water.

2. Chemical Properties
sec-butyl acetate has an ester group, which can be hydrolyzed under the catalysis of acid or base to generate acetic acid and sec-butanol. In addition, it can also occur alcoholysis, aminolysis, ester exchange and other reactions.

2. the use of sec-butyl acetate

1. pharmaceutical intermediates
of sec-butyl acetate can be used as pharmaceutical intermediates, used in the production of antibacterial drugs, anti-inflammatory drugs, anticancer drugs and other drugs. For example, it can be used in the synthesis of cephalosporin antibiotics with a broad spectrum of antibacterial action.

2. pesticide raw material
of sec-butyl acetate can be used as pesticide raw materials, used in the production of pesticides, fungicides, herbicides and other pesticides. For example, it can be compounded with fungicides such as difenoconazole to improve the control effect of pesticides.

3. Fragrance making
sec-butyl acetate has a pleasant fruit aroma and can be used in fragrance making. It can be used as a food additive to improve the taste and aroma of food.

4. Dye Production
Sec-butyl acetate can be used as a solvent and raw material for the production of dyes. For example, it can be used in the production of disperse dyes, reactive dyes, etc.

5. Plastics and rubber processing
of sec-butyl acetate can be used as plasticizer and solvent for plastic and rubber processing to improve the processing performance and use performance of plastic and rubber.

In conclusion, sec-butyl acetate is an important organic chemical raw material and has a wide range of uses. In the future development, with the progress of science and technology and the expansion of application fields, the application prospect of sec-butyl acetate will be more broad.

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