Description

4,4'-Diethynylbiphenyl is a high-purity organic compound featuring two terminal alkyne groups on a rigid biphenyl core. This unique molecular structure makes it a valuable building block for advanced materials, particularly in the synthesis of conjugated polymers and porous frameworks. It is essential for researchers and manufacturers in the pharmaceutical intermediates, organic electronics, and materials science sectors who require precise, high-quality functional monomers.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Organic Electronic Materials: A critical monomer for constructing conjugated polymers used in organic light-emitting diodes (OLEDs), field-effect transistors (OFETs), and photovoltaic cells.
• Metal-Organic Frameworks (MOFs): Acts as a linear, rigid linker molecule to create porous coordination polymers with tailored properties for gas storage, separation, and catalysis.
• Covalent Organic Frameworks (COFs): Used in the bottom-up synthesis of crystalline, porous organic polymers via Sonogashira or Glaser coupling reactions.
• Advanced Polymer Synthesis: Enables the production of poly(arylene ethynylene)s (PAEs) and other high-performance polymers with specific optical or electronic properties.
• Cross-coupling Reactions: A versatile substrate in palladium-catalyzed Sonogashira and other cross-coupling reactions for carbon-carbon bond formation.
• Research & Development: A valuable reagent for academic and industrial R&D in synthetic organic chemistry and materials discovery.

Basic Information

Product Name	4,4'-Diethynylbiphenyl
CAS No.	38215-38-2
Molecular Formula	C16H10
Molecular Weight	202.25 g/mol
Synonyms	1,1'-Biphenyl-4,4'-diylbis(ethyne); 4,4'-Bis(ethynyl)biphenyl; 4,4'-Biphenyldiyldiacetylene; Diethynylbiphenyl; Biphenyl-4,4'-diyl diethyne; 4,4'-Diethynyl-1,1'-biphenyl; p,p'-Diethynylbiphenyl
EINECS	Contact for details

Quality Control

Our 4,4'-Diethynylbiphenyl is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistent performance. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with specified parameters. We support custom synthesis and can tailor purity grades to meet specific research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at a controlled room temperature (15-25°C) in a cool, dry, and well-ventilated area. This compound is light-sensitive and easily oxidized; prolonged exposure to air or light should be avoided to maintain stability and purity.

Specification

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

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