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[Chemical Knowledge]：Properties and Uses of Isobutyric Acid

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Isobutyric acid is an important organic chemical raw material, widely used in medicine, pesticides, plastics, spices and other fields. This article will detail the nature, use and production process of isobutyric acid.

1. the nature of isobutyric acid

isobutyric acid (Isobutyric acid) is a carboxylic acid organic compounds, molecular formula C4H8O2, structural formula CH3CH2CH(CH3)COOH. Isobutyric acid is a colorless transparent liquid with a pungent odor. It has a boiling point of 154°C, a melting point of -70°C, a relative density of 0.9526(20/4°C), a refractive index of 1.4004, and a flash point of 63°C. Isobutyric acid is soluble in water and ethanol, slightly soluble in ether, insoluble in benzene and carbon disulfide.

isobutyric acid has the general properties of carboxylic acids, such as reacting with alcohols to form esters, reacting with bases to form salts, etc. In addition, isobutyric acid also has some special chemical reaction properties, such as the reaction with alcohol under heating conditions to produce ketones, and the reaction with ammonia to produce amides.

2. the use of isobutyric acid

1. pharmaceutical field: isobutyric acid can be used in the synthesis of drugs, such as ethyl isobutyrate is a drug for the treatment of cardiovascular disease.
2. Pesticide field: Isobutyric acid can be used to prepare pesticides, fungicides and other pesticides, and plays an important role in the prevention and control of crop diseases and insect pests.
3. Plastics field: Isobutyric acid can be used as a plastic plasticizer to improve the processing performance and use performance of plastics.
4. spice field: isobutyric acid can be used to prepare various spices, such as apple, strawberry and other fruit flavor.

3. isobutyric acid production process

isobutyric acid production methods are mainly the following:

1. Ethanol carbonyl synthesis: ethanol as raw material, in the cobalt salt catalyst, with carbon monoxide and water vapor reaction to generate isobutyric acid.
2. acetone cyanohydrin method: acetone reacts with hydrocyanic acid to produce acetone cyanohydrin, which is then hydrolyzed and acidified to obtain isobutyric acid.
3. Butyric acid isomerization method: Butyric acid isomerization reaction occurs under the action of acid catalyst to generate isobutyric acid.

4. market prospects and supply and demand analysis

With the wide application of isobutyric acid in medicine, pesticides, plastics, spices and other fields, its market demand is increasing. In the future, with the progress of science and technology and the development of downstream industries, the market prospect of isobutyric acid will be broader. On the supply side of

, with the improvement of production process and the expansion of production capacity, the supply of isobutyric acid is also increasing year by year. At the same time, domestic and foreign companies are also strengthening technological research and development and product innovation to improve the quality and output of isobutyric acid to meet market demand. On the demand side of

, with the improvement of people's living standards and the change of consumption concept, the demand for high quality and high-performance chemical products is increasing. As an important organic chemical raw material, the application of isobutyric acid in medicine, pesticide, plastic, spice and other fields is expanding, and its market demand will further increase.

In summary, as an important organic chemical raw material, isobutyric acid has broad application prospects and huge market potential. With the advancement of science and technology and the development of downstream industries, the market demand for isobutyric acid will continue to increase, and its development prospects will be broader.

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