CAS Registry Number

CAS 787-70-2 — Biphenyl-4,4'-dicarboxylic acid

Biphenyl-4,4'-dicarboxylic acid is a white crystalline solid organic compound with two benzene rings linked by a single bond, each bearing a carboxylic acid group. It serves as a key intermediate in the synthesis of high-performance polymers, including polyimides and liquid crystals, and is also used in the production of specialty resins and fluorescent materials. This chemical has a CAS number of 787-70-2 and carries no signal word under standard classification, indicating low acute hazard. It is typically provided as a dry powder with high purity (98%+). Molekula supplies Biphenyl-4,4'-dicarboxylic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.