Description

1,1'-([1,1':4',1''-Terphenyl]-4,4''-Diyl)Diethanone CAS NO 4191-07-5 is a high-purity organic compound belonging to the terphenyl ketone family, serving as a critical building block and intermediate in advanced chemical synthesis. Its rigid, conjugated molecular structure makes it a valuable precursor for the development of specialized materials, including liquid crystals, organic semiconductors, and photoactive polymers. This compound is essential for R&D and production in the electronics, optoelectronics, and specialty chemical industries where precise molecular architecture is required.

Application

• Liquid Crystal (LC) Manufacturing: A key intermediate for synthesizing high-performance liquid crystal molecules used in displays (LCDs) and optical devices.
• Organic Electronics: Acts as a precursor for organic semiconductors and charge-transport materials in OLEDs, OFETs, and photovoltaic cells.
• Pharmaceutical Intermediates: Used in the research and synthesis of complex drug molecules and bioactive compounds.
• Advanced Polymer Synthesis: Serves as a monomer or cross-linking agent for creating high-temperature and optically active polymers.
• Photoinitiators and Sensitizers: Employed in the formulation of UV-curable resins, inks, and coatings.
• Research & Development: A valuable tool in academic and industrial R&D for studying conjugated systems and material properties.
• Agrochemical Intermediates: Used in the synthesis of specialized active ingredients for crop protection.

Basic Information

Product Name	1,1'-([1,1':4',1''-Terphenyl]-4,4''-Diyl)Diethanone
CAS No.	4191-07-5
Molecular Formula	C22H18O2
Molecular Weight	314.38 g/mol
Synonyms	4,4''-Diacetyl-p-terphenyl; 1,1'-(1,1':4',1''-Terphenyl-4,4''-diyl)diethanone; p-Terphenyl-4,4''-diyl diacetate; Diacetylterphenyl; 4,4''-Diacetyl-1,1':4',1''-terphenyl; Bis(4-acetylphenyl)benzene; 4-Acetyl-4''-acetyl-p-terphenyl
EINECS	Contact for details

Quality Control

Our 1,1'-([1,1':4',1''-Terphenyl]-4,4''-Diyl)Diethanone is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) for each lot, detailing key parameters such as assay, identity, and impurity profiles. Our quality management system is designed to meet the stringent requirements of advanced material synthesis and pharmaceutical intermediate production.

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). This compound is light-sensitive (store away from light) and easily oxidized (store under inert atmosphere). Keep away from heat, sparks, and open flame. For long-term storage, consider packaging under an inert gas such as nitrogen or argon.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.0%

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