Description

o-Quarterphenyl (CAS NO 5632-29-1) is a high-purity, oligomeric aromatic hydrocarbon consisting of four linked phenyl rings in an ortho-configuration. This compound is valued for its excellent thermal stability and unique electronic properties, making it a critical material in advanced research and high-tech manufacturing. It is primarily sought by industries involved in organic electronics, materials science, and as a sophisticated building block for complex chemical synthesis.

Application

• Organic Light-Emitting Diodes (OLEDs): Serves as a core material or a host/dopant in emissive layers due to its favorable charge transport and luminescent properties.
• Organic Photovoltaics (OPVs): Used in the development of novel electron-donor or acceptor materials for next-generation solar cells.
• Liquid Crystal Displays (LCDs): Acts as a component in advanced liquid crystal mixtures to enhance performance and stability.
• Chemical Synthesis & Pharmaceutical Intermediates: Provides a rigid, aromatic scaffold for constructing complex molecules in medicinal chemistry and advanced material design.
• Fluorescent Probes & Sensors: Utilized in the creation of highly sensitive detection systems based on its photophysical characteristics.
• High-Temperature Lubricants & Additives: Incorporated into specialty formulations where exceptional thermal and oxidative resistance is required.

Basic Information

Product Name	o-Quarterphenyl
CAS No.	5632-29-1
Molecular Formula	C24H18
Molecular Weight	306.40 g/mol
Synonyms	1,1':2',1'':2'',1'''-Quaterphenyl; o-Quaterphenyl; 1,2-Diphenylbenzene (dimer); 2,2'-Biphenylylbenzene; [1,1':2',1'':2'',1'''-Quaterphenyl]-2,2''-diyl; Biphenyl, 2,2'-diphenyl-; NSC 407180; ortho-Quaterphenyl
EINECS	227-077-1

Quality Control

Our o-Quarterphenyl is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing key parameters such as assay, identity, and impurity profiles. We support custom synthesis and can tailor specifications to meet specific research or production requirements, including compliance with relevant material standards for electronic applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Heavy Metals	< 10 ppm
Residue on Ignition	< 0.1%

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