Description

4,4'-Diacetylbiphenyl is a high-purity organic compound, also known as 4,4'-Dimethylbenzil, serving as a versatile and critical intermediate in advanced chemical synthesis. Its value lies in its symmetrical biphenyl structure with acetyl functional groups, making it an essential building block for creating complex molecules with specific optical and electronic properties. This product is primarily needed by manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries for research and production purposes.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring rigid, symmetrical biphenyl cores.
• Liquid Crystal Materials: Serves as a fundamental building block in the production of monomers and intermediates for liquid crystal displays (LCDs) due to its stable, linear structure.
• Agrochemical Synthesis: Used in the development of advanced herbicides and fungicides where the biphenyl moiety enhances biological activity and stability.
• Organic Light-Emitting Diodes (OLEDs): Acts as a starting material for electron-transport materials or host materials in OLED device fabrication.
• Polymer Chemistry: Employed as a monomer or cross-linking agent in the synthesis of high-performance engineering plastics and resins.
• Chemical Research: Utilized in academic and industrial R&D for exploring new organic reactions and developing novel functional materials.

Basic Information

Product Name	4,4'-Diacetylbiphenyl
CAS No.	787-69-9
Molecular Formula	C16H14O2
Molecular Weight	238.28 g/mol
Synonyms	4,4'-Dimethylbenzil; 1,1'-(1,1'-Biphenyl)-4,4'-diyl)diethanone; p,p'-Diacetylbiphenyl; Bis(4-acetylphenyl); 4,4'-Bis(acetyl)biphenyl; (1,1'-Biphenyl)-4,4'-diyl diethyl ketone; 4-Acetyl-4'-acetylbiphenyl
EINECS	212-324-8

Quality Control

Our 4,4'-Diacetylbiphenyl is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for sensitive synthetic applications. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical parameters. Our quality commitment ensures batch-to-batch consistency and reliability for your production processes.

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. The product is light-sensitive and should be stored away from light as indicated.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	190°C - 195°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.