Description

p-Quinquephenyl is a high-purity oligophenylene compound, a member of the phenyl-based series with a defined linear structure of five benzene rings. This precise molecular architecture makes it a valuable advanced organic intermediate and a key building block for sophisticated materials research. It is primarily utilized by R&D chemists and material scientists in the organic electronics and specialty polymers sectors.

Application

• Organic Semiconductor Research: Serves as a core molecular scaffold or dopant in the development of organic light-emitting diodes (OLEDs) and field-effect transistors (OFETs).
• Liquid Crystal & Display Technology: Acts as a rigid-rod mesogen or additive to modulate the properties of liquid crystal mixtures for advanced displays.
• Polymer & Material Science: Used as a monomer or cross-linking agent for synthesizing high-performance, heat-resistant polymers and advanced composites.
• Photovoltaic Materials: Investigated as an electron-donor or acceptor component in the active layers of organic solar cells.
• Fluorescent Probes & Sensors: Its conjugated structure makes it suitable for developing fluorescent markers and chemical sensing materials.
• Academic & Industrial R&D: A critical reagent for fundamental studies in supramolecular chemistry and nanotechnology.

Basic Information

Product Name	p-Quinquephenyl
CAS No.	3073-05-0
Molecular Formula	C30H22
Molecular Weight	382.50 g/mol
Synonyms	1,1':4',1'':4'',1''':4''',1''''-Quinquephenyl; Pentaphenyl; 5-Phenyl-m-quaterphenyl; p-Pentaphenyl; [1,1':4',1'':4'',1''':4''',1''''-Quinquephenyl]; Linear Quinquephenyl; Oligo(p-phenylene); PPP (oligomer)
EINECS	221-352-5

Quality Control

Our p-Quinquephenyl is manufactured under strict process controls to ensure batch-to-batch consistency and high chemical purity. Quality is verified through a comprehensive suite of analytical techniques including HPLC, GC, and NMR spectroscopy. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your quality assurance protocols.

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 material is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (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.