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

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1,4-Butanediol (BDO) is an important organic chemical raw material, which is widely used in the fields of medicine, chemical industry, textile, paper making, automobile and aviation. This article will detail the properties and uses of 1,4-butanediol.

1. The properties of 1,4-butanediol

1. Physical properties: 1,4-butanediol is a colorless, transparent, sweet viscous liquid that can be miscible with water, alcohol, ether and other solvents, but it is difficult to dissolve in non-polar solvents such as petroleum ether and hydrocarbons. It has a melting point of 20°C, a boiling point of 228°C and a density of 1.016g/cm³.

2. Chemical properties: 1,4-Butanediol has the typical chemical properties of alcohol, such as reaction with acid to generate ester, reaction with aldehyde, ketone to generate acetal, etc. In addition, 1,4-butanediol has a bifunctional property and can undergo a polymerization reaction to form a polymer.

2. the use of 1,4-butanediol

1. pharmaceutical field: 1,4-butanediol can be used as a drug carrier, improve the solubility and stability of drugs, but also can be used in the production of vitamin B6, antibiotics and other drugs.

2. Chemical industry: 1,4-butanediol can be used in the production of plasticizers, stabilizers, antioxidants, solvents and other chemicals, but also can be used in the production of degradable plastics, help to reduce environmental pollution.

3. Textile field: 1,4-Butanediol can be used to produce textile coating agents to improve the water resistance, breathability and wrinkle resistance of fabrics. At the same time, it can also be used to produce textile printing and dyeing auxiliaries to improve the fixation rate of dyes on fabrics.

4. Papermaking field: 1,4-Butanediol can be used to produce paper coating agents to improve the gloss, water resistance and strength of paper.

5. Automotive and Aviation: 1,4-Butanediol can be used to produce high-performance lubricants and coolants to meet the operating needs of automotive and aviation equipment under extreme conditions such as high temperature and pressure.

In short, as an important organic chemical raw material, 1,4-butanediol has been widely used in the fields of medicine, chemical industry, textile, paper making, automobile and aviation, and has high economic and social value. With the continuous development of science and technology, the application field of 1,4-butanediol will continue to expand.

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