Description

Pentaphenylbenzene CAS NO 18631-82-8 is a high-purity, polyaromatic organic compound characterized by its unique structure of a central benzene ring substituted with five phenyl groups. This compound is valued for its role as a versatile building block and model system in advanced materials research and organic synthesis. It is primarily sought after by R&D laboratories and manufacturers in the fields of organic electronics, photonics, and as a precursor for specialty polymers and liquid crystals.

Application

• Organic Semiconductor Research: Serves as a core building block or dopant in the development of novel hole-transport materials (HTMs) and electron-transport materials for OLEDs and OFETs.
• Liquid Crystal & Polymer Science: Acts as a rigid, bulky mesogen or cross-linking agent in the synthesis of high-performance liquid crystalline polymers and thermosetting resins.
• Photovoltaic Materials: Used in the study and fabrication of non-fullerene acceptors (NFAs) and other active layer components for organic solar cells.
• Catalysis & Ligand Synthesis: Functions as a precursor for creating sophisticated, sterically hindered phosphine or N-heterocyclic carbene (NHC) ligands used in transition metal catalysis.
• Fluorescent Probe Development: Employed in the design of aggregation-induced emission (AIE) luminogens and other fluorescent markers for sensing and bio-imaging applications.
• Academic & Industrial R&D: A key reference compound and starting material for fundamental studies in supramolecular chemistry and advanced organic synthesis.

Basic Information

Product Name	Pentaphenylbenzene
CAS No.	18631-82-8
Molecular Formula	C36H26
Molecular Weight	458.60 g/mol
Synonyms	1,2,3,4,5-Pentaphenylbenzene; Pentaphenyl Benzene; Benzene, pentaphenyl-; Penta-phenyl-benzene; NSC 407292; Pentaphenylbenzol; 1,2,3,4,5-Pentaphenyl-benzene
EINECS	242-449-1

Quality Control

Our Pentaphenylbenzene is manufactured under strict quality protocols to ensure batch-to-batch consistency and high purity, meeting the exacting standards of research and specialty chemical applications. Each lot is supported by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We adhere to a quality management system and can provide material tailored to specific research-grade or custom synthesis requirements upon request.

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 strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	250 - 255 °C
Loss on Drying	≤ 0.5%

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