For chemists and materials scientists, a thorough understanding of chemical intermediates is vital for driving innovation. 2-(4-Bromophenyl)-5-phenylthiophene (CAS: 118621-30-0) is a prominent example of such an intermediate, widely utilized for its specific chemical characteristics and synthetic potential. This article delves into its technical properties and significance in modern chemical synthesis.

The compound's chemical identity is defined by its CAS number: 118621-30-0. Its molecular formula is C16H11BrS, yielding a molecular weight of approximately 315.228 g/mol. Physically, it is typically presented as a white powder, a characteristic that aids in its handling and formulation. Crucially, its defined melting point, ranging from 189.0 to 193.0 °C, is a key parameter for quality control and indicates a consistent crystalline structure. The boiling point of 409.7±30.0 °C at 760 mmHg and a density of 1.4±0.1 g/cm³ further detail its physical behavior.

The synthetic utility of 2-(4-Bromophenyl)-5-phenylthiophene is largely attributed to the presence of the bromine atom on the phenyl ring. This functional group serves as an excellent leaving group for various palladium-catalyzed cross-coupling reactions. For instance, it can readily undergo Suzuki coupling with boronic acids or Stille coupling with organostannanes to form new carbon-carbon bonds. These reactions are fundamental for building extended conjugated systems necessary for organic electronic materials like OLEDs and organic photovoltaic cells. Researchers looking to buy this intermediate for such advanced syntheses will find its reactivity predictable and efficient.

The high purity, typically 97% minimum, is a critical factor for its successful application. This level of purity ensures that side reactions are minimized and that the desired molecular architecture is achieved with high fidelity. Manufacturers often provide this intermediate in various packaging sizes, from laboratory-scale quantities to larger industrial batches, catering to diverse research and production needs. If your work requires precise synthesis, consider purchasing this compound from a reputable supplier who guarantees these specifications.

In summary, 2-(4-Bromophenyl)-5-phenylthiophene is a valuable fine chemical intermediate with well-defined properties that support its use in cutting-edge chemical synthesis. Its role in creating advanced materials highlights the importance of sourcing high-purity compounds from reliable manufacturers. If you are a chemist or a procurement specialist, understanding these technical details will help you make informed decisions when you plan to buy this essential compound.