Which has a positive and progressive attitude to customer's desire, our corporation constantly improves our merchandise quality to satisfy the desires of consumers and further focuses on safety, reliability, environmental demands, and innovation of Other Organic Chemicals, Catalysts, DECYL GLUCOSIDE. Our service philosophy: keep promises, treat each other sincerely and put customers first. We pay attention to personal and career development as a whole and to any needs of our employees. We are committed to scientific management system, diversified business philosophy, standardized after-sales service, networked distribution channels, and common logistics and distribution.

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

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