Numero di registro CAS

CAS 2420-87-3 — Bifenil-3,3′,4,4′-tetracarbossilico dianhidride

3,3,4,4-Biphenyltetracarboxylic dianhydride (BPDA) is a high-performance aromatic dianhydride used primarily in the synthesis of polyimides, which are valued for their thermal stability, mechanical strength, and resistance to chemicals. These properties make BPDA essential in aerospace, electronics, and high-temperature industrial applications. CAS 2420-87-3, molecular formula C16H6O6, molecular weight 294.22. Stored at ambient conditions, it carries no signal word. Molekula supplies 3,3,4,4-Biphenyltetracarboxylic dianhydride from research to bulk quantities with full documentation and ISO 9001:2015 traceability.