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[Chemical Knowledge]：Properties and Uses of 1.3-Butanediol

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1.3-Butanediol (1,3-BD) is an important raw material for chemical production, which has a wide range of properties and applications. In this paper, the properties of 1.3-butanediol and its application in the field of chemical production will be introduced in detail.

1. properties of 1.3-butanediol

1. physical properties: 1.3-butanediol is a colorless transparent, slightly sweet viscous liquid, with a high boiling point and melting point. It is insoluble in water, but miscible with many organic solvents.
2. Chemical properties: 1.3-butanediol has the typical chemical properties of alcohol, such as reacting with acid to form ester, reacting with aldehyde and ketone to form acetal, etc. In addition, it is also reductive and can be oxidized to produce compounds such as succinic acid.

2. 1.3-Butanediol use

1. Plastics and fibers: 1.3-Butanediol can be used as a monomer for the production of polyester, polyurethane and other polymer compounds, and then the preparation of plastics and fibers. These materials have excellent properties, such as high strength, wear resistance, corrosion resistance, etc.
2. Plasticizer: 1.3-butanediol can be used as a plasticizer to improve the processing performance and flexibility of plastics. Compared with other plasticizers, it has better heat resistance, weather resistance and low toxicity.
3. Solvent: 1.3-Butanediol can be used as a solvent to dissolve many organic compounds, such as resins, paints, inks, etc. It has good solubility and environmental protection.
4. Pharmaceutical intermediates: 1.3-butanediol can be used as a pharmaceutical intermediate for the production of some drugs, such as antibiotics, vitamins, etc.

In conclusion, 1.3-butanediol as an important chemical raw material has been widely used in the fields of plastics, fibers, plasticizers, solvents and pharmaceuticals. Understanding its nature and use will help to better grasp the selection of raw materials and process design in the production process of chemicals, and improve product quality and production efficiency. At the same time, it also helps to promote the green development of the chemical industry and promote the sustainable development of the economy and society.

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