Tetra-p-tolylethene (CAS: 5831-43-6) stands as a pivotal compound in advanced materials science, distinguished by its unique photophysical characteristics. This organic compound, with a molecular formula of C30H28 and a molecular weight of 388.54 g/mol, is particularly renowned for its remarkable Aggregation-Induced Emission (AIE) properties. Unlike traditional luminogens that often suffer from fluorescence quenching in aggregated or solid states, Tetra-p-tolylethene becomes highly emissive when molecules cluster together, opening vast possibilities for high-performance optical and electronic devices. Its propeller-like molecular conformation plays a crucial role in preventing detrimental aggregation-caused quenching, allowing for efficient light emission in concentrated forms.

Key physical properties of Tetra-p-tolylethene include a melting point of approximately 151 °C and a predicted boiling point of 480.5 ± 40.0 °C. It presents as a white to off-white solid with a density of 1.048 ± 0.06 g/cm³. These characteristics underscore its stability and suitability for various demanding applications. The synthesis of Tetra-p-tolylethene is typically achieved through robust chemical methodologies such as the McMurry reaction, involving the reductive coupling of appropriate ketone precursors. Modified protocols, including palladium-catalyzed deoxygenative coupling, further enhance its preparation efficiency and yield, making it accessible for industrial-scale production. Furthermore, the molecule’s structure allows for versatile functionalization, enabling the creation of derivatives with tailored properties for specific material requirements.

The applications of Tetra-p-tolylethene are diverse and rapidly expanding across multiple high-tech sectors. In organic electronics, it serves as a critical component in Organic Light-Emitting Diodes (OLEDs), particularly as an efficient emitting layer material. Its AIE characteristic ensures high photoluminescence quantum yields even in non-doped film states, simplifying device fabrication and improving performance for next-generation displays and lighting solutions. Beyond OLEDs, its electronic properties are being explored for organic field-effect transistors (OFETs) and advanced resistive switching memory devices, hinting at its broader utility in flexible and low-cost electronics.

Tetra-p-tolylethene also excels in sensing and biosensing applications. Its "turn-on" fluorescence mechanism, triggered by specific analyte binding, makes it an ideal candidate for highly selective and sensitive fluorescent probes. Derivatives have been successfully developed for detecting various targets, including metal ions like silver (Ag⁺) and hazardous nitro-aromatic compounds found in explosives. This sensitivity, combined with a low background signal, offers significant advantages for environmental monitoring, security, and diagnostic tools. Moreover, its integration into polymer systems and macromolecular assemblies allows for the creation of smart luminescent polymers and microspheres with tunable emission properties, suitable for bio-imaging and advanced drug delivery systems where controlled light emission is crucial.

At NINGBO INNO PHARMCHEM CO.,LTD., we are committed to providing high-quality Tetra-p-tolylethene and its derivatives. Our expertise in synthesis and stringent quality control ensures that our products meet the demanding specifications of leading researchers and industries. We prioritize sustainable manufacturing practices, integrating green chemistry principles such as catalyst reusability and energy-efficient methods to minimize environmental impact. As a dedicated manufacturer and supplier of advanced chemical intermediates, NINGBO INNO PHARMCHEM CO.,LTD. offers competitive pricing and comprehensive support to facilitate your research and development. To inquire about the current price or to purchase Tetra-p-tolylethene, please contact us. We are always ready to collaborate and meet your specific needs for this versatile and promising compound.