Cas 18733-91-0 - Key Organosilicon Intermediate For Electronic Materials

Bis(4-bromophenyl)diphenylsilane (CAS 18733-91-0) is an important organosilicon compound widely used in organic electronics, OLED materials, semiconductor research, and advanced organic synthesis. Featuring a tetraphenylsilane framework with two para-bromine substituents, this compound serves as a versatile intermediate for the construction of highly conjugated aromatic systems and functional materials. Chemical Characteristics Bis(4-bromophenyl)diphenylsilane is typically obtained as a white to off-white crystalline solid. The molecule combines the excellent thermal stability of the diphenylsilane core with the synthetic flexibility provided by two bromophenyl groups. The bromine atoms can readily participate in various palladium-catalyzed cross-coupling reactions, including Suzuki, Stille, Negishi, and Ullmann couplings, making the compound a valuable precursor for the synthesis of complex p-conjugated structures. Applications OLED Materials Bis(4-bromophenyl)diphenylsilane is frequently used as a key intermediate in the synthesis of host materials, hole-transport materials (HTMs), and emissive compounds for organic light-emitting diodes (OLEDs). Organic Semiconductors The compound serves as a building block for the preparation of organic semiconductors used in organic field-effect transistors (OFETs), photovoltaic devices, and other optoelectronic applications. Advanced Functional Materials The rigid tetraphenylsilane structure contributes excellent thermal and morphological stability, making it valuable for high-performance materials with enhanced durability and device lifetime. Organic Synthesis Due to its reactive bromine substituents, Bis(4-bromophenyl)diphenylsilane is widely utilized as an intermediate for synthesizing functional aromatic compounds, polymers, and silicon-containing materials. Advantages ?Excellent thermal stability ?Reactive bromine functional groups for further derivatization ?Suitable for Suzuki and other cross-coupling reactions ?Important intermediate for OLED and semiconductor materials ?High structural rigidity and good material performance Bis(4-bromophenyl)diphenylsilane (CAS 18733-91-0) is available with high purity and consistent quality for research, development, and industrial applications. The product is suitable for electronic material synthesis, organic semiconductor development, and advanced materials research.