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[Chemical Knowledge]：Properties and Uses of 1,4-Butenediol

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1,4-Butenediol is an important organic chemical raw material, which is widely used in medicine, pesticide, plastic, rubber, fiber and other fields. This article will detail the properties and uses of 1,4-butenediol.

1. 1,4-Butenediol Properties

1. Physical Properties
1,4-Butenediol is a colorless transparent liquid with a pungent odor. Relative density 1.045, melting point -10 ℃, boiling point 235 ℃, refractive index 1.4467, flash point 121 ℃. Miscible with water, miscible in ethanol, ether and other organic solvents.

2. Chemical properties
1, 4-butenediol contains two hydroxyl groups and a carbon-carbon double bond, so it has high reactivity. It can undergo esterification, etherification, oxidation, addition, condensation and other reactions. For example, 1,4-butenediol can be esterified with carboxylic acid to generate the corresponding ester compounds; and aldehyde, ketone condensation reaction to generate pyran compounds.

2. the use of 1, 4-butenediol

1. medical field
1, 4-butenediol can be used in the production of a variety of drugs, such as antitumor drugs, antiviral drugs, antibacterial drugs. In addition, it can also be used as an intermediate in drug synthesis for the preparation of some important pharmaceutical ingredients.

2. Pesticide Field
1,4-Butenediol can be used to produce a variety of pesticides, such as insecticides, fungicides, herbicides, etc. These pesticides play an important role in controlling crop diseases and insect pests and improving crop yields.

3.
in the field of plastics and rubber 1,4-Butenediol can be used as a plasticizer for plastics and rubber to improve its flexibility and processing performance. At the same time, it can also be used to produce some special plastic and rubber products, such as high temperature resistance, oil resistance, acid and alkali resistance and other performance products.

4. Fibers Field
1,4-Butenediol can be used to produce some special fibers, such as polyester fibers, polyamide fibers, etc. These fibers have excellent properties and are widely used in textiles, clothing and other fields.

In conclusion, as an important organic chemical raw material, 1,4-butenediol has a wide range of applications in medicine, pesticide, plastic, rubber, fiber and other fields. With the continuous development of science and technology, its application field will continue to expand.

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