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[Chemical Knowledge]：The nature and use of the big light special-shaped

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The nature and use
of the large light special-shaped in the field of raw materials for chemical production
Abstract:

This paper introduces in detail the nature and use of the large light special-shaped in the field of raw materials for chemical production. Through the discussion of the physical properties, chemical properties, production technology, application fields and other aspects of the large light special-shaped, so that readers have a comprehensive and in-depth understanding of the large light special-shaped.

1. Introduction

is an important raw material for chemical production and is widely used in various fields. With the continuous development of science and technology, the nature and use of the light special-shaped has been further expanded. This article will elaborate on the nature and use of the large light special-shaped.

2. has a lot of light shape properties

1. Physical properties

has a lot of light shape is colorless transparent crystal, sweet and spicy, melting point 175 ℃, boiling point 260 ℃, density 1.687g/cm3. Soluble in water, soluble in ethanol, ether, acetone and other organic solvents.

2. chemical properties of

light has a strong reactivity, can react with many compounds. For example, it reacts with an acid to form the corresponding salt, reacts with an alcohol to form an ester, reacts with an amine to form an amide, etc.

the production process of 3. light-shaped

light-shaped production process mainly has the following:

1. ethyl acetoacetate method: ethyl acetoacetate as raw material, through chlorination, hydrolysis, crystallization and other steps to produce light-shaped.

2. Phenylacetic acid method: using phenylacetic acid as raw material, through chlorination, acylation, reduction and other reactions to produce a large light shaped.

4. the application fields of large light special-shaped

as an important chemical raw material, it is widely used in the following fields:

1. pharmaceutical industry: large light special-shaped is an important intermediate of many drugs, which can be used to synthesize antibacterial drugs, anti-inflammatory drugs, anti-tumor drugs and so on.

2. Pesticide industry: a large light shaped can be used for synthetic pesticides, fungicides and other pesticides.

3. spice industry: the light special shape can be used for the synthesis of various spices, giving food, cosmetics and other beautiful aroma.

4. plastic industry: a large light shaped plastic modifier can be used to improve the performance of plastics.

5. Conclusion As an important raw material for chemical production,

has broad application prospects. Through the in-depth understanding of the nature and use of the large light special-shaped, we can better play its role in various fields and promote the development of the chemical industry.

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