2-(2-Biphenylyl)ethanol is an organic compound featuring a biphenyl core substituted with an ethanol group at the 2-position. It serves as a crucial synthetic intermediate in the production of advanced organic electronic materials. Its primary application is as a key precursor in the synthesis of hole-transporting materials (HTMs) and host materials for organic light-emitting diodes (OLEDs). The biphenyl moiety provides rigidity and favorable electronic properties, while the hydroxyl group allows for further functionalization, such as etherification, to create complex molecular architectures essential for high-performance OLED devices. This compound is integral to the development of materials used in displays and lighting technologies. As a versatile building block, it is also employed in organic synthesis for constructing more complex conjugated systems. Its utility extends to research and development in the field of optoelectronics, where precise control over molecular structure is paramount for tuning material properties like charge mobility, energy levels, and thermal stability.