The rapid advancement of electronic devices, particularly in display technology, relies heavily on the development and utilization of sophisticated chemical compounds. Tris(4-bromophenyl)amine (CAS: 4316-58-9) stands out as a critical intermediate, its specific chemical and physical properties making it indispensable for applications like Organic Light-Emitting Diodes (OLEDs). Understanding these fundamental attributes is key to appreciating its role in creating the vibrant, energy-efficient displays we see today.

At its core, Tris(4-bromophenyl)amine is an organic compound characterized by a central nitrogen atom bonded to three bromophenyl groups. Its molecular formula is C18H12Br3N, and it has a molecular weight of approximately 482.01 g/mol. This structure is the foundation of its utility. The presence of bromine atoms, known for their electron-withdrawing nature and ability to participate in various chemical reactions (especially cross-coupling), makes the molecule amenable to further functionalization. This allows chemists to tailor its electronic and optical properties, which is crucial for designing materials with specific functions in electronic devices.

The physical properties of Tris(4-bromophenyl)amine are also noteworthy. It typically appears as a crystalline powder, often described as pale green to white. This physical state is stable and lends itself well to industrial handling and processing. Its density is recorded as 1.79 g/cm³, and its melting point falls within the range of 141-143ºC. The boiling point is quite high, around 514.9ºC at atmospheric pressure, indicating good thermal stability. Furthermore, its flash point of 100ºC provides important information for safe handling and storage protocols. These physical characteristics ensure that the compound can withstand the processing conditions often required in the manufacturing of electronic components.

Perhaps the most critical attribute for its industrial application is its purity. Tris(4-bromophenyl)amine is typically supplied with an assay of ≥99.0%. High purity is non-negotiable for intermediates used in OLEDs, as even trace amounts of impurities can significantly degrade device performance. Impurities can act as charge traps or luminescence quenchers, leading to reduced efficiency, shortened device lifespan, and color inaccuracies. Therefore, stringent quality control measures are applied during its production to ensure that it meets the demanding specifications required by the electronics industry.

The combination of its well-defined molecular structure, reactive bromine substituents, favorable physical properties, and high purity makes Tris(4-bromophenyl)amine an ideal building block for creating advanced materials. Its role as an intermediate in OLEDs is a testament to how specific chemical attributes translate directly into technological performance. As research continues into new generations of electronic materials, understanding and leveraging the precise properties of compounds like Tris(4-bromophenyl)amine will remain a key focus for innovation. For those seeking to purchase Tris(4-bromophenyl)amine or locate a reliable Tris(4-bromophenyl)amine supplier, prioritizing suppliers who can consistently deliver material meeting these exact specifications is paramount.

In essence, the chemical and physical properties of Tris(4-bromophenyl)amine are not just academic data points; they are the functional requirements that enable its vital role in powering the display technologies of today and tomorrow.