Description

Pyridine, 4,4'-(1,3-Phenylenedi-2,1-Ethynediyl)Bis- CAS NO 168289-77-8 is a specialized organic compound featuring a conjugated molecular structure with pyridine and phenylacetylene units. This compound is valued for its role as a key intermediate in advanced materials science, particularly in the synthesis of organic semiconductors and light-emitting materials. It is primarily sought by R&D teams and production chemists in the electronics, photonics, and specialty chemical manufacturing sectors.

Application

• Organic Electronics: A crucial building block for the synthesis of conjugated polymers and small molecules used in Organic Light-Emitting Diodes (OLEDs) and Organic Photovoltaics (OPVs).
• Photonics Research: Serves as a precursor for developing novel chromophores and fluorophores with tailored optical properties for sensors and imaging applications.
• Material Science: Used in the creation of advanced organic frameworks and coordination polymers with potential catalytic or conductive properties.
• Pharmaceutical Intermediates: Employed in the research and development of complex heterocyclic compounds for medicinal chemistry programs.
• Liquid Crystal & Display Technology: A potential component in the synthesis of specialty materials for high-performance liquid crystal displays (LCDs).

Basic Information

Item	Details
Product Name	Pyridine, 4,4'-(1,3-Phenylenedi-2,1-Ethynediyl)Bis-
CAS No.	168289-77-8
Molecular Formula	C24H14N2
Molecular Weight	330.38 g/mol
Synonyms	1,3-Bis(4-pyridylethynyl)benzene; 1,3-Di(4-pyridyl)ethynylbenzene; 4,4'-(1,3-Phenylenediethynyl)dipyridine; 1,3-Bis(4-pyridinyl)ethynylbenzene; 4,4'-(m-Phenylenedi-2,1-ethynediyl)bispyridine; Bis(4-pyridyl)ethynylbenzene; Conjugated dipyridyl benzene derivative
EINECS	Contact for details

Quality Control

Our production of Pyridine, 4,4'-(1,3-Phenylenedi-2,1-Ethynediyl)Bis- adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity for research and development applications. All materials are characterized using advanced analytical techniques including NMR, HPLC, and Mass Spectrometry. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory documentation needs.

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 heat sources and incompatible materials. Due to its light-sensitive nature, handling and packaging should minimize exposure to direct light.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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