Description

Bis(4-Phenoxyphenyl)Acetylene is a high-purity organic compound, a diarylacetylene derivative, serving as a critical building block in advanced material synthesis. Its rigid, linear molecular structure and terminal acetylene group make it a valuable monomer for creating high-performance polymers and specialty chemicals. This product is essential for R&D and production in industries such as polymer science, liquid crystal displays (LCDs), and organic electronics, where precise molecular architecture is required.

Application

• Polymer Synthesis: A key monomer for producing high-temperature, rigid-rod polymers like poly(phenylene ethynylene)s (PPEs) and other acetylene-based polymers.
• Liquid Crystal Materials: Used as a core or linking unit in the development of nematic and smectic liquid crystals for display applications.
• Organic Semiconductor Precursors: Serves as a fundamental building block for organic light-emitting diodes (OLEDs) and photovoltaic materials.
• Pharmaceutical Intermediates: Employed in the synthesis of complex molecules for pharmaceutical research and active pharmaceutical ingredients (APIs).
• Advanced Material Research: Utilized in academic and industrial R&D for creating novel materials with specific optical or electronic properties.
• Cross-coupling Reactions: Acts as a substrate in Sonogashira, Heck, and other palladium-catalyzed coupling reactions to construct complex aromatic systems.

Basic Information

Product Name	Bis(4-Phenoxyphenyl)Acetylene
CAS No.	77384-56-6
Molecular Formula	C26H18O2
Molecular Weight	362.42 g/mol
Synonyms	1,2-Bis(4-phenoxyphenyl)ethyne; 4,4'-(1,2-Ethynediyl)bis(phenoxybenzene); Di(4-phenoxyphenyl)acetylene; p,p'-Diphenoxydiphenylacetylene; Bis(p-phenoxyphenyl)acetylene; 1,2-Di(4-phenoxyphenyl)ethyne; [1,1'-Biphenyl]-4,4'-diyl bis(phenyl ether) acetylene derivative
EINECS	Contact for details

Quality Control

Every batch of Bis(4-Phenoxyphenyl)Acetylene is manufactured under strict quality management systems. We employ advanced analytical techniques including HPLC, GC, NMR, and IR spectroscopy to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment, ensuring full traceability and compliance with your research or production specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This compound is light-sensitive and easily oxidized; for long-term storage, consider keeping under an inert atmosphere (e.g., nitrogen or argon) to maintain optimal purity and stability. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	145 - 150 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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