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[Chemical Knowledge]：Properties and Uses of 2-Hexanone

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2-Hexanone is an important organic chemical raw material, widely used in medicine, pesticides, spices, dyes and other fields. This article will detail the properties and uses of 2-hexanone.

1. 2-hexanone properties

1. Physical properties
2-hexanone is a colorless transparent liquid with a special smell. Its boiling point is 124.5 ℃, density is 0.805g/cm³, insoluble in water, soluble in ethanol, ether and other organic solvents.

2. Chemical Properties
2-hexanone has the typical chemical properties of ketones, such as reacting with carboxylic acids, alcohols, amines and other compounds. In addition, it can also undergo reduction, oxidation, addition, condensation and other reactions.

2. 2-hexanone use

1. pharmaceutical intermediates
2-hexanone is an important pharmaceutical intermediates, can be used for the synthesis of a variety of drugs, such as antidepressants, antitumor drugs, antibacterial drugs and so on. For example, it reacts with phenethylamine to get an antidepressant called fluoxetine.

2. Pesticide raw material
2-hexanone can also be used to synthesize pesticides, such as insecticides, fungicides, etc. For example, it reacts with ethyl chloroformate to give cypermethrin, an insecticide.

3. fragrance synthesis
2-hexanone has a special fragrance and can be used to synthesize fragrance. For example, it can react with benzaldehyde to obtain a fragrance substance-vanillin.

4. Dye Synthesis
2-Hexanone can also be used to synthesize dyes, such as azo dyes, phthalocyanine dyes, etc. For example, it reacts with aniline to give a yellow azo dye, Acid Yellow G.

In conclusion, 2-hexanone, as an important organic chemical raw material, has a wide range of applications in the fields of medicine, pesticides, spices, dyes and so on. With the continuous development of science and technology, the application field of 2-hexanone will continue to expand.

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