Description

[1,1':4',1'':3'',1''':4''',1''''-Quinquephenyl]-4,4''''-Dicarbonitrile, 5''-(4'-Cyano[1,1'-Biphenyl]-4-Yl)- (9Ci) is a high-purity, multi-ring aromatic compound with a complex, rigid molecular structure. This compound is of significant commercial interest as a specialized organic semiconductor material and a key advanced intermediate for high-performance electronic applications. It is primarily utilized by R&D laboratories and manufacturers in the organic electronics, optoelectronics, and advanced materials science sectors.

Application

This high-value specialty chemical serves as a critical building block in several advanced technology fields:

• Organic Light-Emitting Diode (OLED) Emitters & Host Materials: Used in the synthesis of novel emitters for display and lighting technologies due to its extended conjugation and electron-transport properties.
• Organic Photovoltaic (OPV) Materials: Acts as an electron acceptor or donor component in the active layer of solar cells.
• Organic Field-Effect Transistor (OFET) Semiconductors: Serves as a precursor for high-mobility p-type or n-type semiconductor molecules.
• Liquid Crystal (LC) and Electro-Optic Materials: Utilized in the development of advanced liquid crystal mixtures for displays and optical modulators.
• Fluorescent Sensors and Probes: Employed in research for creating sensitive chemical or biological detection systems.
• Advanced Polymer & Dendrimer Synthesis: Functions as a rigid, conjugated core unit for constructing sophisticated macromolecular architectures.

Basic Information

Product Name	[1,1':4',1'':3'',1''':4''',1''''-Quinquephenyl]-4,4''''-Dicarbonitrile, 5''-(4'-Cyano[1,1'-Biphenyl]-4-Yl)- (9Ci)
CAS No.	685114-67-4
Molecular Formula	C43H24N4
Molecular Weight	596.68 g/mol
Synonyms	5''-(4'-Cyano[1,1'-biphenyl]-4-yl)-[1,1':4',1'':3'',1''':4''',1''''-quinquephenyl]-4,4''''-dicarbonitrile; 1,1':4',1'':3'',1''':4''',1''''-Quinquephenyl-4,4''''-dicarbonitrile, 5''-(4'-cyanobiphenyl-4-yl)-; Quinquephenyl derivative CN-C6H4-C6H4-Quinquephenyl-CN; Aromatic oligomer with multiple cyano groups; High-performance organic electronic intermediate; Multi-phenyl cyanated compound; OLED/OPV intermediate 685114-67-4
EINECS	Contact for details

Quality Control

Every batch of this advanced material is produced and verified under stringent quality protocols to ensure exceptional purity and batch-to-batch consistency, critical for sensitive electronic applications. Our products undergo rigorous quality testing, including advanced chromatographic and spectroscopic methods, to ensure compliance with exacting customer and research specifications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed in a dry environment to prevent degradation. For long-term storage, consider the use of desiccants.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Area %)
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Residual Solvents (GC)	Meets ICH guidelines

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