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[Chemical Knowledge]：Properties and Uses of 3,3-Dimethyl-2-Butanone

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3,3-Dimethyl-2-butanone (DIBK) is an important organic chemical raw material, widely used in medicine, pesticides, spices, dyes and other fields. This article will detail the nature and use of DIBK.

1. properties

DIBK is a colorless transparent liquid with a special smell of ketone. Its molecular formula is C6H12O and its molecular weight is 100.16. DIBK has a melting point of -76.5°C, a boiling point of 105.4°C and a density of 0.807g/cm3. It is insoluble in water, but soluble in alcohol, ether, benzene and other organic solvents. The chemical properties of

DIBK are more lively, prone to addition, oxidation, reduction and other reactions. DIBK is prone to keto-enol tautomerism under acidic conditions. In addition, DIBK also has high thermal and chemical stability, and can be used in a wide temperature range.

2. uses

1. pharmaceutical intermediates

DIBK is an important pharmaceutical intermediates, can be used for the synthesis of a variety of drugs, such as anti-inflammatory drugs, anticancer drugs, anti-tuberculosis drugs. For example, DIBK can be reduced to 3,3-dimethyl-1-butanol, which can be further derived to isoniazid, an important anti-tuberculosis drug.

2. Pesticide raw material

DIBK can also be used to synthesize pesticides, such as fungicides, insecticides, etc. For example, DIBK reacts with chlorine to give 3,3-dimethyl-2-chlorobutanone, which is a broad-spectrum fungicide and has a control effect on a variety of plant pathogens.

3. perfume synthesis

DIBK can be used as a perfume synthesis of raw materials, used in the preparation of a variety of flavors and fragrances. For example, DIBK reacts with benzaldehyde to give acetophenone, a compound with a rose aroma.

4. Solvent

DIBK, as an organic solvent, can be used to dissolve a variety of organic and inorganic substances. It has high chemical stability and thermal stability, so it is suitable for solvent use under high temperature and high pressure conditions.

In short, DIBK, as an important organic chemical raw material, has been widely used in medicine, pesticides, spices, dyes and other fields. With the continuous development of science and technology, the application field of DIBK will continue to expand.

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