Description

4,4'-Diphenylbenzophenone is a high-purity organic chemical compound, a derivative of benzophenone, serving as a critical intermediate in advanced organic synthesis. Its value lies in its rigid, conjugated molecular structure, which is essential for producing specialized polymers and fine chemicals. This product is primarily needed by manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors for research and production.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs) and other complex organic molecules.
• Photoinitiator Component: Used in the formulation of UV-curable inks, coatings, and adhesives due to its light-absorbing properties.
• Polymer Chemistry: Acts as a monomer or cross-linking agent in the production of high-performance engineering plastics and specialty polymers.
• Agrochemical Synthesis: Employed as an intermediate in the manufacture of certain pesticides and herbicides.
• Liquid Crystal Materials: Serves as a core structure in the development of liquid crystal compounds for display technologies.
• Organic Electronic Materials: Investigated for use in organic light-emitting diodes (OLEDs) and other optoelectronic devices.
• Research & Development: Utilized in academic and industrial R&D labs for novel chemical synthesis and material science projects.

Basic Information

Product Name	4,4'-Diphenylbenzophenone
CAS No.	3478-90-8
Molecular Formula	C25H18O
Molecular Weight	334.41 g/mol
Synonyms	Bis(4-biphenylyl)methanone; 4,4'-Bis(phenyl)benzophenone; p,p'-Diphenylbenzophenone; (4-Biphenylyl)(4-phenylphenyl)methanone; 1,1'-(4,4'-Carbonylbis(1,1'-biphenyl-4,4'-diyl))dibenzene; Benzophenone, 4,4'-diphenyl-
EINECS	222-458-9

Quality Control

Our 4,4'-Diphenylbenzophenone is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for industrial and research applications. A comprehensive Certificate of Analysis (COA) detailing purity, physical characteristics, and test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat sources and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	168 - 172 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.