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[Chemical Knowledge]：Properties and Uses of Diethyl Oxalate

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Diethyl oxalate is an important organic compound, which is widely used in the field of chemical production raw materials. This article will detail the properties and uses of diethyl oxalate.

1. properties of diethyl oxalate

diethyl oxalate has a chemical formula of C6H10O4 and a molecular weight of 146.14. It is a colorless and transparent liquid with a pungent odor. Diethyl oxalate has a high boiling point of 185°C and a density of 1.103g/cm³. It is insoluble in water, but soluble in ethanol, ether and other organic solvents. Diethyl oxalate

has strong reducibility and is easily oxidized. In addition, it is also toxic and corrosive. Therefore, special care is required in handling diethyl oxalate to avoid contact with skin, eyes, etc.

2. the use of diethyl oxalate

1. Synthesis of perfume
Diethyl oxalate is an important perfume synthesis intermediate, which can be used to produce various flavors and fragrances. For example, it can react with phenylethyl alcohol to generate a rose aroma compound, and can also be used to synthesize strawberry aldehyde, citral and other flavors.

2. Plastic plasticizer
diethyl oxalate can be used as a plastic plasticizer to improve the flexibility, ductility and processability of plastics. It is widely used in PVC, polyurethane and other plastics.

3. pharmaceutical intermediates
diethyl oxalate can be used as pharmaceutical intermediates for the production of antibacterial drugs, antiepileptic drugs and other drugs. For example, it can be used in the synthesis of sulfonamides and barbiturates.

4. organic synthesis of raw materials
diethyl oxalate is a commonly used organic synthesis of raw materials, can be used for the synthesis of various esters, amides, ketones and other compounds. It plays an important role in organic synthesis.

In short, diethyl oxalate has a wide range of uses in the field of chemical production raw materials, and can be used for synthetic spices, plastic plasticizers, pharmaceutical intermediates and organic synthetic raw materials.

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