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Small rods crystallized. The melting point is 309°C (325°C). Soluble in ethanol, it shows blue fluorescence, insoluble in boiling water.

Intermediate for dyes and plastic processing aids. Used in the production of optical brighteners, dye intermediates, etc.

It is prepared by oxidation of 1-methyl-4-acetylnaphthalene and potassium dichromate at 200-300℃ and about 4MPa for 18h. It can also be obtained by liquid phase oxidation of 1,4-dimethylnaphthalene using cobalt-manganese-bromine as a catalyst at 120°C and about 3kPa.

SPECIFICATION OF CAS: 605-70-9 1,4-Naphthalenedicarboxylic Acid

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Alfa Chemical Co., Ltd

Today, we have a comprehensive and strong supply capacity and are a one-stop supplier of scientific analytical chemicals, material science chemicals, life science chemicals, etc. From grams to kilograms. The supply scale ranges from gram level to semi-batch production and mass production.

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