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[Chemical Knowledge]：Properties and Uses of 1,6-Hexanediol

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1,6-Hexanediol (1,6-Hexanediol) is an important organic chemical raw material, which is widely used in the field of chemical production. This article will detail the properties and uses of 1,6-hexanediol.

1. The properties of 1,6-hexanediol

1. Physical properties
1,6-hexanediol is a colorless transparent liquid with a pleasant smell. It has strong hygroscopicity and can be miscible with water, ethanol, ether and other organic solvents. Its melting point is -4 ℃, boiling point is 253 ℃, flash point is 137 ℃.

2. Chemical properties
1,6-hexanediol 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, it is also reductive and can be oxidized to generate aldehydes, acids and other compounds.

2. the use of 1,6-hexanediol

1. Production of polyurethane
1,6-hexanediol is one of the important raw materials for the production of polyurethane (PU). It reacts with diisocyanate to produce polyurethane prepolymer, and further processing can produce polyurethane foam, elastomer, coating and other products.

2. Production of Plasticizer
1,6-Hexanediol can be used to produce plasticizers, such as dioctyl phthalate (DOP), etc. Plasticizers can increase the flexibility, ductility and processability of plastics.

3. Production of alkyd resin
1,6-hexanediol can react with fatty acids to generate alkyd resin, used in the production of coatings, adhesives and other products.

4. Production of flavors and fragrances
1,6-Hexanediol has a pleasant smell and can be used to produce flavors and fragrances, such as for the preparation of food, cosmetics and other flavors.

In conclusion, as an important organic chemical raw material, 1,6-hexanediol has a wide range of applications in the field of chemical production.

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