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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

Company Information

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.

FAQ

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A: First we discuss order details, production details by email or TM. Then we issue you an PI for your confirmation.

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A: After you confirm our PI, we will request you to pay. T/T, Paypal, L/C, West Union etc. are the most usual ways we are using.

We devote ourselves to providing customers with competitive Nano Flocculant Fe for Wastewater Treatment and services, creating value for customers, teams and society. With the human-oriented thought of respecting, trusting and relying on talents, we have established a working, learning and living environment with characteristic culture. Our values support and guide each employee in making decisions that help the organization achieve its mission and vision in an appropriate manner.

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