Description

4,4'-((Perfluoro-1,4-Phenylene)Bis(Ethyne-2,1-Diyl))Dipyridine is a specialized fluorinated organic building block characterized by a rigid, linear perfluorophenylene core symmetrically linked to two pyridine rings via ethynylene spacers. This unique molecular architecture, combining electron-deficient fluorinated aromatics with coordinating pyridine sites, makes it a critical precursor for advanced materials research and development. It is primarily sought after by R&D chemists and material scientists working in the fields of organic electronics, metal-organic frameworks (MOFs), and specialty polymers.

Application

• Organic Semiconductor Precursor: Serves as a key monomer for constructing conjugated polymers and small molecules with high electron affinity for use in organic field-effect transistors (OFETs) and photovoltaic devices.
• Metal-Organic Framework (MOF) Linker: Used as a rigid, linear ditopic linker to synthesize novel porous coordination polymers with potential applications in gas storage, separation, and catalysis.
• Ligand for Catalysis: Functions as a chelating or bridging ligand for transition metals, enabling the development of new catalysts for cross-coupling and other organic transformations.
• Fluorinated Polymer Synthesis: Acts as a comonomer to incorporate perfluorophenylene and pyridine units into high-performance polymers, enhancing thermal stability, chemical resistance, and optoelectronic properties.
• Surface Modification Agent: Utilized to functionalize surfaces (e.g., gold, carbon nanotubes) via the pyridine nitrogen or alkyne groups for sensor and device fabrication.
• Non-linear Optical (NLO) Materials: Investigated as a component in chromophore design for NLO applications due to its donor-acceptor-donor (D-A-D) type structure.

Basic Information

Product Name	4,4'-((Perfluoro-1,4-Phenylene)Bis(Ethyne-2,1-Diyl))Dipyridine
CAS No.	760981-35-9
Molecular Formula	C₂₀H₈F₄N₂
Molecular Weight	352.29 g/mol
Synonyms	1,4-Bis(4-pyridylethynyl)-2,3,5,6-tetrafluorobenzene; 2,3,5,6-Tetrafluoro-1,4-bis(4-pyridinylethynyl)benzene; 4,4'-(Perfluoro-p-phenylene)di-2,1-ethynylenedipyridine; p-Bis(4-pyridylethynyl)tetrafluorobenzene; Tetrafluorobenzene-1,4-diylbis(ethyne-2,1-diyl)dipyridine; 4,4'-(2,3,5,6-Tetrafluoro-1,4-phenylene)bis(ethyne-2,1-diyl)dipyridine
EINECS	Contact for details

Quality Control

Every batch of 4,4'-((Perfluoro-1,4-Phenylene)Bis(Ethyne-2,1-Diyl))Dipyridine is synthesized and purified under controlled conditions to meet the stringent requirements of research and development. Our products undergo rigorous quality testing, including advanced chromatographic and spectroscopic techniques, to ensure high purity and batch-to-batch consistency. A comprehensive 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 place at room temperature (15-25°C). This compound is light-sensitive (store away from light). For long-term storage, consider storing under an inert atmosphere in a freezer (-20°C). Keep away from strong acids and strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Area %)
Melting Point	Contact for details
Heavy Metals	< 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.