Our company adheres to the service tenet of 'providing high-quality 3 5 PYRAZOLEDICARBOXYLIC ACID, Sodium thiosulfate pentahydrate, Other Biochemicals and creating a century-old enterprise', and strives to provide services to our partners. If you are interested in our company's products and services, you can leave a message online or call for consultation. We will continue to be a company that achieves high standards of performance in all aspects of environmental protection, social responsibility and corporate governance. It is the only way for every enterprise to succeed in following the trend in the progress of the times and realizing self transcendence in seizing opportunities.

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.

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Since the establishment of our brand, we always adhere to technology-based, user first, and are committed to providing high-quality Highly Catalytic and Active Nano Titanium Dioxide Powder for consumers. Our company enjoys sufficient and stable domestic and overseas sources of goods, smooth channels, and has a professional pre-sales and after-sales service team, which has shaped a good reputation and popularity in the industry. We attach great importance to the learning and development of our employees, and require them to focus on professional ethics and professionalism.

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