CAS Registry Number

CAS 2540-99-0 — 3,3',4,4'-Diphenylsulfonetetracarboxylic dianhydride

3,3',4,4'-Diphenylsulfonetetracarboxylic dianhydride is a high-performance organic compound used in the synthesis of advanced polymers and specialty materials. It serves as a key monomer in the production of polyimides and other high-temperature resistant materials. Available with CAS number 2540-99-0, molecular formula SO2(C8O3)2, and molecular weight 352.23 g/mol, it is stable at ambient storage conditions. This compound carries a warning signal word due to potential health hazards. Molekula supplies 3,3',4,4'-Diphenylsulfonetetracarboxylic dianhydride from research to bulk quantities with full documentation and ISO 9001:2015 traceability.