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Phenylacetic acid

Phenylacetic acid is an important intermediate in medicine, spices, pesticides and industrial synthesis. In terms of medicine, phenylacetic acid is mainly used in the production of penicillin, dimethazole, atropine and other drugs, and the demand for penicillin production is particularly huge; in terms of spices, phenylacetic acid is widely found in grapes, strawberries, cocoa, green tea, honey, etc. It has a sweet honey flavor at low concentrations, and is often used as a fixative or modifier in soaps, detergents, and cleaners; in terms of pesticides, phenylacetic acid itself is a pesticide plant growth hormone, which can be chlorinated and esterified to obtain α-chlorinated Ethyl phenylacetate is used in the production of Daofengsan and ethyl Daofengsan; in industry, phenylacetic acid is used in the preparation of fuels, liquid crystal materials, high-performance engineering plastic curing agents, fluorescent whitening agents, and the synthesis of β2 alkylpropionaldehyde catalyst, etc.

In recent years, with the rapid development of domestic penicillin G salt and its downstream products industry, the demand for phenylacetic acid has shown a rapid development trend.

industrial salt

Industrial salt is one of the most basic raw materials in the chemical industry. The main components are sodium chloride, sodium nitrite, etc. It is called "the mother of the chemical industry". Among the main products of the basic chemical industry, hydrochloric acid, caustic soda, soda ash, ammonium chloride, and chlorine gas are mainly produced from industrial salt. In addition, it is widely used in food, feed, leather, ceramics, glass, soap, dye, oil and other industries.

Benzyl alcohol

Benzyl alcohol is one of the simplest aromatic alcohols, which can be regarded as phenyl-substituted methanol, and is an indispensable spice in the formulation of jasmine, moonflower, ylang-ylang and other flavors. As a spice, it is mainly used to prepare flavors such as berries and nuts. Used in the preparation of floral oils and medicines, etc., also used as solvents and fixatives for perfumes; used as solvents, plasticizers, preservatives, and used in the manufacture of perfumes, soaps, medicines, dyes, etc.

Product process

The carbonylation method synthesizes benzyl chloride with NaOH and CO under the action of a catalyst to generate sodium phenylacetate, which is then acidified with hydrochloric acid to obtain phenylacetic acid. The carbonylation method replaces the current backward, high economic cost and serious pollution sodium cyanide production process, and promotes the upgrading of traditional technology in the industry.

Application field

industry
industry
pesticide
pesticide
spices
spices
medicine
medicine