Ethyl 2-phenylcyclopropanecarboxylate is an organic compound featuring a cyclopropane ring substituted with a phenyl group and an ethoxycarbonyl group. It is a colorless to pale yellow liquid at room temperature and is primarily used as a key synthetic intermediate in organic chemistry. Its most significant application is in the synthesis of advanced materials, particularly as a precursor for organic light-emitting diodes (OLEDs). The strained cyclopropane ring and aromatic system make it a valuable building block for constructing complex, rigid, and conjugated molecular architectures essential for high-performance optoelectronic materials. It is also utilized in pharmaceutical research for creating novel drug candidates with cyclopropane motifs. This compound serves as a versatile chiral synthon in asymmetric synthesis due to the potential stereochemistry of the cyclopropane ring. Standard safety precautions for handling organic solvents and reagents should be observed.