Bismarck Brown Y is a versatile dye extensively used in biological research, aiding in the observation and analysis of cell structures, biomolecule tracking, assessment of cell functions, cell type differentiation, biomolecule detection, tissue pathology studies, and microorganism monitoring. Its applications span from fundamental scientific research to diverse clinical diagnostics. Additionally, dyes are commonly employed in traditional industries such as textile dyeing and in innovative fields like functional textile processing, food coloring, and dye-sensitized solar cells.