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[Chemical Knowledge]：Properties and Uses of Sebacic Acid

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Sebacic acid is an important organic chemical raw material, which is widely used in plastics, rubber, fiber, grease, medicine and other fields. This article will detail the properties and uses of sebacic acid.

1. The properties of sebacic acid

1. Physical properties
sebacic acid is a colorless or slightly yellow crystalline powder with a strong pungent odor. It is insoluble in water, but soluble in ethanol, ether, acetone and other organic solvents. The melting point of sebacic acid is relatively high, generally between 130-134°C.

2. chemical properties
sebacic acid has the general properties of carboxylic acid, can occur esterification, amidation, reduction and other reactions. In addition, it can also undergo decarboxylation reactions and Diels-Alder reactions.

2. sebacic acid use

1.
in the plastics industry Sebacic acid can be used in the production of plastic plasticizers, such as phthalic acid didecyl ester (DIDP), it has excellent heat resistance, cold resistance, aging resistance and electrical insulation, widely used in polyvinyl chloride (PVC) and other plastics processing.

2. Rubber industry
sebacic acid can be used for synthetic rubber, such as copolymerization with adipic acid to generate poly sebacate two ester (PA1010), with good oil resistance, low temperature resistance, flex resistance, can be used in the manufacture of tires, rubber hose, tape and other rubber products.

3.
in fiber industry Sebacic acid can be used as a modifier for the production of cellulose fibers to improve the heat resistance, light resistance and dyeing of the fibers.

4.
in the oil industry Sebacic acid can be used as a food additive to adjust the taste and stability of oils and fats.

5.
in the pharmaceutical industry Sebacic acid has certain antibacterial and anti-inflammatory effects and can be used in the production of pharmaceutical intermediates and pharmaceutical preparations.

In short, sebacic acid has a wide range of uses in the field of chemical production raw materials, and it is of great significance to promote the development of related industries.

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