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[Chemical Knowledge]：Properties and Uses of High Purity Diethyl Carbonate (DEC)

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High-purity diethyl carbonate (DEC) is an important organic chemical raw material, which is widely used in medicine, pesticide, plastics, electronics and other fields. This article will detail the properties and uses of high-purity diethyl carbonate.

1. properties

high purity diethyl carbonate is a colorless transparent liquid, with elegant ester fragrance smell. Its molecular formula is C5H10O3 and its molecular weight is 118.13. DEC has a melting point of -43°C, a boiling point of 125.8°C, and a density of 1.007g/cm3. It is insoluble in water, but miscible with organic solvents such as alcohols and ethers. In addition, DEC also has flammable, explosive, toxic and other characteristics, so special attention should be paid to safety during production and use.

2. uses

1. pharmaceutical intermediates

high purity diethyl carbonate is an important pharmaceutical intermediates, can be used for the synthesis of a variety of drugs, such as antibiotics, antipyretic analgesics, anticancer drugs. For example, DEC can be used to produce ethyl acetoacetate, which is an important raw material for the synthesis of adrenocortical hormones.

2. pesticide raw material

high purity diethyl carbonate can also be used to produce pesticides, such as pesticides, fungicides. For example, DEC can be used as a solvent and raw material for the production of pyrethroid insecticides.

3. Plastic Additive

High-purity diethyl carbonate can be used as a plastic additive to improve the performance of plastics. For example, DEC can be used as a plasticizer in polyvinyl chloride plastics to improve their flexibility and processability.

4.

in the electronics industry High purity diethyl carbonate is also widely used in the electronics industry and can be used as a cleaning agent, solvent, etc. for the manufacture and maintenance of electronic products.

In short, high-purity diethyl carbonate as an important organic chemical raw materials, in medicine, pesticides, plastics, electronics and other fields have a wide range of applications. With the continuous development of science and technology, the use of DEC will continue to expand.

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