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General-purpose plasticizer, widely used in plastics, rubber, paint and emulsifier industries. Plasticized PVC can be used to make artificial leather, agricultural film, packaging materials, cables, etc.

At present, it is widely used in chemical industry, medicine, electronics, agriculture, paint, fine chemical industry and other industrial sectors. Phthalic anhydride in China is mainly used in the production of phthalic anhydride plasticizers. The consumption of phthalic anhydride accounts for about 60% of the total consumption of phthalic anhydride, 25% for dyes and paints, and 100% for unsaturated resins and other products. 15 or so. Phthalic anhydride is an important organic chemical raw material, mainly used in the production of plastic plasticizers, alkyd resins, dyes, unsaturated resins, and certain medicines and pesticides.

The downstream of industrial acenaphthene mainly produces 1.8-naphthalene anhydride, which is an indispensable raw material for the dye industry, and is the main raw material for large listed dye companies such as Qicai Chemical.

A mixture of anthracene, phenanthrene, carbazole, etc., insoluble in water, soluble in ethanol, ether, and strongly irritating. It is used to extract anthracene, phenanthrene, and carbazole, and can also be used to prepare anthraquinone dyes, carbon black, syntans, and various paints.

Colorless transparent or light yellow liquid, with special smell, insoluble in water, used to extract phenol and pyridine base, after washing, phenol oil is used to prepare coumarone indene resin.

It is mainly used in medicine and animal feed. Among them, β-methylnaphthalene is used as vitamin K3, which is an indispensable additive for animal feed. Now it has maintained long-term and stable cooperation with many manufacturers.

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