Description

1,2-Bis(4-Ethynylphenyl)-1,2-Diphenylethene is a specialized organic compound belonging to the tetraphenylethylene (TPE) family, a class of molecules renowned for their aggregation-induced emission (AIE) properties. This compound matters for its role as a critical building block in advanced materials science, where its unique photophysical behavior is harnessed. It is needed by researchers and manufacturers in the fields of organic electronics, chemosensors, and luminescent materials for developing next-generation optoelectronic devices and smart materials.

Application

• AIE Luminogen (AIEgen) Precursor: Serves as a core molecular scaffold for synthesizing novel materials with high solid-state fluorescence efficiency.
• Organic Light-Emitting Diodes (OLEDs): Used in the development of non-doped, high-performance emitting layers for displays and lighting.
• Chemical Sensing Probes: Functionalized to create highly sensitive and selective sensors for detecting explosives, volatile organic compounds (VOCs), or specific ions.
• Bioimaging Agents: Potential application in the design of fluorescent probes for cellular imaging with low background signal and high photostability.
• Stimuli-Responsive Materials: Key component in smart materials that change their luminescent properties in response to mechanical force, heat, or vapor.
• Organic Semiconductor Research: Investigated as a charge-transport or light-emitting material in field-effect transistors (OFETs) and photovoltaic cells.

Basic Information

Product Name	1,2-Bis(4-Ethynylphenyl)-1,2-Diphenylethene
CAS No.	1240785-42-5
Molecular Formula	C30H20
Molecular Weight	380.48 g/mol
Synonyms	1,1,2,2-Tetrakis(4-ethynylphenyl)ethene; TPE-4E; 1,2-Bis(4-ethynylphenyl)-1,2-diphenylethene; Tetrakis(4-ethynylphenyl)ethylene; AIEgen TPE derivative; 4-Ethynyl-substituted tetraphenylethylene; Ethene, 1,1,2,2-tetrakis(4-ethynylphenyl)-
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards for research and advanced material synthesis. Every batch is characterized using advanced analytical techniques to confirm identity, purity, and consistency. Certificates of Analysis (COA) detailing purity, NMR, and HPLC data are available upon request to support your R&D and quality assurance protocols.

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) to prevent oxidation and degradation. Keep the container in a dry, cool, and well-ventilated area away from incompatible materials.

Specification

Item	Specification
Appearance	Off-white to light yellow 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.