CAS Registry Number

CAS 80-09-1 — 4,4'-Sulfonyldiphenol (4,4'-Dihydroxydiphenylsulfone)

4,4'-Sulfonyldiphenol, also known as 4,4'-dihydroxydiphenylsulfone, is a key intermediate in the synthesis of high-performance polymers such as polyether sulfones and polyamide sulfones. It is used in the production of engineering thermoplastics with excellent thermal and chemical resistance. CAS: 80-09-1, Molecular Formula: C12H10O4S, Molecular Weight: 250.27 g/mol, Storage: Ambient, Signal Word: Danger. Molekula supplies 4,4'-Sulfonyldiphenol from research to bulk quantities with full documentation and ISO 9001:2015 traceability.