CAS Registry Number

CAS 22803-05-0 — 3,3',4,4'-Biphenyltetracarboxylic acid

3,3',4,4'-Biphenyltetracarboxylic acid is an aromatic tetracarboxylic acid used primarily in the synthesis of high-performance polymers, such as polyimides, for applications in electronics, aerospace, and advanced materials requiring thermal and chemical resistance. This compound features a rigid biphenyl core with four carboxylic acid groups, enhancing mechanical strength and thermal stability in polymeric structures. Catalogue details include CAS 22803-05-0, molecular formula C16H10O8, and a molecular weight of 330.2458 g/mol. It is stored at ambient conditions and carries no signal word for hazards. Molekula supplies 3,3',4,4'-Biphenyltetracarboxylic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.