3,3',4,4'-Benzophenonetetracarboxylic dianhydride factory best quality CAS NO.1215223-23-6

Product Name: 3,3',4,4'-Benzophenonetetracarboxylic dianhydride 

Synonyms: 3-Isobenzofurandione,5,5’-carbonylbis-1;4,4'-Carbonylbis[phthalic anhydride];4,4'-Diphthalic anhydride ketone;5,5’-carbonylbis-3-isobenzofurandione;Benzophenonetetracarboxylic acid anhydride;Benzophenonetetracarboxylic anhydride;NOTAVAILABLE;Phthalic anhydride, 4,4'-carbonyldi-

CAS: 2421-28-5

MF: C17H6O7

MW: 322.23

EINECS: 219-348-1

Product Categories: pharmacetical;Aromatic Tetracarboxylic Dianhydrides (for High-Performance Polymer Research);Benzophenones (for High-Performance Polymer Research);Functional Materials;Reagent for High-Performance Polymer Research;fine chemicals, specialty chemicals, intermediates, electronic chemical, organic synthesis, pharmaceutical intermediates;fine chemicals, specialty chemicals, intermediates, electronic chemical, organic synthesis, functional materials

Mol File: 2421-28-5.mol

Chemical Properties: white crystall powder

Uses: BTDA is important monomer of polyimide, and used for production of polyimide material.  

Wuhan Zenuo Biopharmaceutical Technology Co., Ltd., a global biopharmaceutical and chemical enterprise, is mainly engaged in the customized synthesis, large-scale production and sales of pharmaceutical raw materials intermediates, mainstream fine chemicals, rare chemical raw materials. Zenuo is located in the Guanggu Biological Industry Zone in Wuhan, Hubei Province, attributing to a number of senior professionals with years of experience, in-depth cooperation is conducted with laboratories of domestic first-class colleges and universities, which ensures Zenuo standing at the forefront of the international level. Zenuo can provide global customers with quality products and the best price, meanwhile, Zenue embraces customized synthesis of chemical products from trial sample to mass production, synthetic formulation, process upgrading,etc... At present, Zenuo’s stable supply of products includes: kojic acid, Dyclonine hydrochloride, hydrocortisone, dexamethasone, betamethasone and other steroid hormone raw materials and intermediates products. Zenuo guarantees long-term and stable supply of the mentioned products.

Strict quality control: good raw materials, good quality, Zenuo Biology has always regarded quality as the life of the enterprise. Zenuo Biology has an independent quality control department and long-term cooperation with the third-party detection structure. All products are strictly tested in accordance with Pharmacopoeia and relevant regulations to ensure that the quality is up to standard.

Advantage price service: The company produces and sells one-stop service. The price of the product is very advantageous. At the same time, our experienced technical team constantly improves and innovates, reduces costs and ensures the quality of the product.

Purchasing Agent Service: Professional team can provide you with timely and thoughtful service, good language communication skills and professional chemical technical consultants, can answer customers'professional academic questions. Our goal is to provide qualified products with reasonable prices for global customers, wholeheartedly provide purchasing agent service to customers, help shorten the procurement time and reduce the procurement cost.

Over the years, our products and services have been exported to the United States, Europe, Africa, Southeast Asia, the Middle East and other countries and regions, and have established long-term stable business relations with customers.