Description

1,1'-(2,2-Diphenylethenylidene)Bis[4-Ethynylbenzene] is a high-purity, specialized organic compound featuring a unique conjugated structure with multiple phenyl and ethynyl groups. This molecular architecture makes it a valuable advanced intermediate or building block for the synthesis of complex organic materials. It is primarily sought after by R&D chemists and material scientists in the fields of organic electronics, pharmaceuticals, and advanced polymer research.

Application

• Organic Light-Emitting Diodes (OLEDs): Serves as a key precursor for the synthesis of novel electron-transport materials or host materials in emissive layers.
• Pharmaceutical Intermediates: Used in the research and development of new active pharmaceutical ingredients (APIs), particularly those requiring rigid, conjugated scaffolds.
• Advanced Polymer Chemistry: Acts as a monomer or cross-linking agent for creating polymers with specific optical or electronic properties.
• Material Science Research: Employed in the development of non-linear optical (NLO) materials, molecular wires, and other functional organic materials.
• Chemical Synthesis: Functions as a versatile building block in Sonogashira coupling and other palladium-catalyzed cross-coupling reactions to construct complex aromatic systems.

Basic Information

Product Name	1,1'-(2,2-Diphenylethenylidene)Bis[4-Ethynylbenzene]
CAS No.	1620282-33-8
Molecular Formula	C30H20
Molecular Weight	380.48 g/mol
Synonyms	1,1'-(2,2-Diphenylethenylidene)bis(4-ethynylbenzene); 4,4'-(2,2-Diphenylethene-1,1-diyl)bis(ethynylbenzene); 1,1-Bis(4-ethynylphenyl)-2,2-diphenylethene; TPE derivative with ethynyl groups; Diphenyl-substituted bis(ethynylphenyl)ethene; (E)-1,1-Bis(4-ethynylphenyl)-2,2-diphenylethene; Tetraphenylethylene-based dialkyne
EINECS	Contact for details

Quality Control

Our 1,1'-(2,2-Diphenylethenylidene)Bis[4-Ethynylbenzene] is produced under strict quality management protocols. Every batch undergoes rigorous analytical testing to ensure high purity and batch-to-batch consistency, meeting the stringent requirements of research and development applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment.

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 place. This compound is light-sensitive and easily oxidized; prolonged exposure to air and light should be avoided to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Heavy Metals	< 20 ppm
Residual Solvents (GC)	Complies with ICH guidelines

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