Numéro CAS

CAS 3478-90-8 — 4,4'-Diphénoxybenzophénone (EKE)

4,4-Diphenoxybenzophenone (EKE) is a high-performance ultraviolet light absorber widely used in plastics, coatings, and adhesives to enhance weather resistance and prevent degradation from UV exposure. This chemical is a clear, crystalline solid with excellent photostability, making it ideal for protecting materials in outdoor applications. 4,4-Diphenoxybenzophenone has a CAS number of 3478-90-8, a molecular formula of C25H18O, and a molecular weight of 334.422 g/mol. It is non-hazardous, requiring no special signal word, and can be stored safely at ambient conditions. Molekula supplies 4,4-Diphenoxybenzophenone from research to bulk quantities with full documentation and ISO 9001:2015 traceability.