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[Chemical Knowledge]：Properties and Uses of Diethyl Carbonate

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Diethyl carbonate 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 carbonate.

1. the nature of diethyl carbonate

diethyl carbonate is a colorless transparent liquid, pungent odor. It is soluble in water, ethanol, ether and other organic solvents, but insoluble in aliphatic hydrocarbons. Diethyl carbonate has a high boiling point and is not volatile, so it is often used as a solvent and an intermediate for chemical reactions.

In addition, diethyl carbonate has strong chemical stability and is not prone to oxidation, reduction and other reactions, so it is relatively stable during storage and transportation. However, under high temperature and acidic conditions, diethyl carbonate is prone to hydrolysis to produce ethanol and carbon dioxide.

2. the use of diethyl carbonate

1. Solvent
diethyl carbonate is an excellent solvent, which can be used to dissolve many organic compounds, such as resins, oils, waxes, etc. In the field of coatings, inks, etc., diethyl carbonate is often used as a solvent to improve the fluidity and gloss of the product.

2. Chemical reaction intermediate
diethyl carbonate, as a chemical reaction intermediate, is widely used in the synthesis of various chemicals. For example, it can generate new ester compounds by transesterification reaction with alcohol compounds; it can also react with amine compounds to generate amide compounds. Therefore, diethyl carbonate plays an important role in organic synthesis.

3. pharmaceutical intermediates
diethyl carbonate in the field of medicine also has a wide range of applications. It can be used as a pharmaceutical intermediate for the synthesis of antibacterial drugs, anti-tumor drugs and other drugs. For example, diethyl carbonate can be used to synthesize procainamide hydrochloride, a commonly used antiarrhythmic drug.

4. Pesticide Intermediates
Diethyl carbonate can also be used to synthesize pesticide intermediates. For example, it can be reacted with methyl chloroformate to produce diethyl chloroformate, a commonly used pesticide intermediate that can be used to synthesize a variety of insecticides, fungicides and herbicides.

In short, diethyl carbonate as an important organic chemical raw materials, in medicine, pesticides, coatings, inks and other fields have a wide range of applications.

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