CAS Registry Number

CAS 3236-71-3 — 4,4'-(9-Fluorenylidene)diphenol

4,4'-(9-Fluorenylidene)diphenol (CAS 3236-71-3) is a high-performance organic compound widely used in photoresists, polymers, and fluorescent materials due to its rigid structure and optical properties. It serves as a key intermediate in the synthesis of advanced photolithography resins and as a building block for high-tech polymers requiring thermal and chemical stability. This chemical has a molecular formula of C25H18O2 and a molecular weight of 350.41 g/mol. It is classified with a signal word of *Warning* and should be stored at ambient conditions. Full SDS and safety data are available upon request. Molekula supplies 4,4'-(9-Fluorenylidene)diphenol from research to bulk quantities with full documentation and ISO 9001:2015 traceability.