2-(Benzyloxy)-2-(naphthalen-2-yl)acetonitrile serves as a multifunctional dye with diverse applications across both traditional and modern industries. These dyes are crucial in biological experiments, enabling researchers to examine and track cell structures, monitor biomolecules, assess cellular functions, and differentiate cell types. Additionally, they are instrumental in studying tissue pathology and tracking microorganisms. The utility of these dyes extends beyond scientific research, encompassing clinical diagnostics, textile dyeing, functional textile processing, food pigments, and dye-sensitized solar cells. Their broad applicability highlights their importance in both longstanding and cutting-edge technologies.