4,4''-Diphenylbenzophenone

4,4''-Diphenylbenzophenone with CAS 3478-90-8 is a high-purity polyaromatic ketone compound and a key functional organic intermediate. The molecule adopts a symmetric biphenyl ketone structure with a highly conjugated aromatic skeleton, featuring excellent thermal stability, outstanding UV absorption performance and stable chemical inertness. It appears as white to off-white crystalline powder at room temperature. With unique photochemical activity and rigid molecular structure, 4,4''-Diphenylbenzophenone CAS 3478-90-8 is widely applied in photoinitiator synthesis, organic optoelectronic materials, fine chemical synthesis and polymer modification fields.

Bis ([1,1'-biphenyl]-4-yl) methanone, 4,4'-Diphenylbenzophenone, Di (4-biphenylyl) ketone

2914399090

1. Photoinitiator & UV Curing Material Intermediate: 4,4''-Diphenylbenzophenone CAS 3478-90-8 serves as a core intermediate for high-efficiency benzophenone-based photoinitiators. Its excellent ultraviolet absorption capacity enables efficient initiation of UV curing reactions, widely used in UV-curable coatings, printing inks, adhesives and photoresist materials to improve curing efficiency and film-forming stability. 2. OLED & Organic Optoelectronic Precursor: 4,4''-Diphenylbenzophenone CAS 3478-90-8 is an important building block for organic optoelectronic functional materials. The symmetric conjugated structure optimizes molecular thermal stability and electron transport performance, making it suitable for the synthesis of OLED electron transport materials, host materials and organic semiconductor functional layers, improving device luminous stability and service life. 3. Fine Organic Synthesis Building Block: 4,4''-Diphenylbenzophenone CAS 3478-90-8 contains active carbonyl functional groups and multi-aromatic ring structures, supporting diversified substitution, reduction and coupling reactions. It is widely used for customized synthesis of high-value aromatic ketone derivatives, functional polymer monomers and fine chemical products. 4. Polymer Modification & Light Stabilizer Raw Material: 4,4''-Diphenylbenzophenone CAS 3478-90-8 has excellent anti-ultraviolet aging performance, which can be used as a key raw material for polymer light stabilizers. It effectively improves the UV resistance and weather resistance of plastic, resin and rubber materials, delaying material photoaging and degradation. 5. Advanced Laboratory Research Reagent: 4,4''-Diphenylbenzophenone CAS 3478-90-8 is a high-purity electronic and industrial grade reagent, commonly used in university chemistry laboratories, material R&D institutions and fine chemical enterprises for photochemical reaction research and new functional material development.

98% Min

C25H18O

334.41

2 years under proper storage

White to off-white crystalline powder

Electronic Grade, Laboratory Grade, Industrial Grade

1.121 g/cm3

228-229 °C (lit.)

523.7±12.0 °C at 760 mmHg