C.I. Mordant Orange 29 serves as a versatile dye with applications spanning from traditional textile dyeing to cutting-edge uses in dye-sensitized solar cells. Typically utilized in biological experiments, this dye enables the observation and analysis of cell structures, tracking of biomolecules, evaluation of cell functions, and distinction of cell types. Additionally, it aids in detecting biomolecules, studying tissue pathology, and monitoring microorganisms. Its diverse applications extend beyond basic scientific research to include clinical diagnostics, functional textile processing, and food pigments, underscoring its widespread utility in both conventional and novel fields.