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[Chemical Knowledge]：Properties and Uses of Diethyl Butanate

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Diethyl succinate (Succinate Diethyl) is an important organic chemical raw material, which is widely used in medicine, pesticide, plastic, spice and other fields. This article will detail the properties and uses of diethyl succinate.

1. the nature of diethyl succinate

1. Physical properties
diethyl succinate is a colorless transparent liquid with a pungent odor. Relative density 0.9561(20/20 ℃), melting point -23 ℃, boiling point 142.5 ℃, refractive index 1.4007(22.2 ℃), flash point (open cup) 62.8 ℃, viscosity 0.894mPa · s(25 ℃). Insoluble in water, soluble in ethanol, ether and other organic solvents.

2. chemical properties
diethyl succinate has ester group and carboxyl group, so esterification, alcoholysis, aminolysis, amidation and other reactions can occur. Further, diethyl succinate may be subjected to halogenation, reduction, oxidation and the like.

2. the use of diethyl succinate

1.
in the field of medicine diethyl succinate can be used in the production of drugs, such as indomethacin, diclofenac and other drug intermediates. In addition, it can also be used to produce nutritional drugs such as vitamin B6.

2.
in the field of pesticides Diethyl succinate can be used to produce pesticides, such as fungicides, insecticides, etc. In the field of pesticides, diethyl succinate can be used as an important intermediate for the synthesis of other pesticides.

3.
in the field of plastics Diethyl succinate can be used as a plastic plasticizer to improve the processing performance and flexibility of plastics. In addition, it can also be used to produce biodegradable plastic materials.

4.
in the field of fragrances Diethyl succinate has a pleasant fruity odor and can be used to prepare edible flavors and daily chemical flavors. In the field of perfumery, diethyl succinate is often used as one of the important ingredients to reconcile flavors.

In conclusion, as an important organic chemical raw material, diethyl succinate has been widely used in the fields of medicine, pesticide, plastic, spice and so on.

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