CAS Registry Number

CAS 101-80-4 — 4,4\\\'-Diaminodiphenyl ether (4,4\\\'-Oxydianiline)

4,4′-Diaminodiphenyl ether (4,4′-Oxydianiline, ODA) is a high-performance aromatic diamine used primarily in the synthesis of polyimides, epoxy resins, and polyurethane adhesives for aerospace, electronics, and high-temperature applications. It is a crystalline solid with excellent thermal stability and chemical resistance. CAS 101-80-4, molecular formula C12H12N2O (MW 200.24), non-hazardous under standard conditions, stored at ambient temperatures. Molekula supplies 4,4′-Diaminodiphenyl ether from research to bulk quantities with full documentation and ISO 9001:2015 traceability.