1,8-Dinitroanthraquinone is a versatile dye utilized in various domains including biological research and diagnostics. It assists researchers by enabling the observation and analysis of cell structures, biomolecule tracking, cell function evaluation, cell type differentiation, biomolecule detection, tissue pathology studies, and microorganism monitoring. Its applications extend from fundamental scientific research to clinical diagnostics. Additionally, dyes play a significant role in traditional industries like textile dyeing and are increasingly used in innovative areas such as functional textile processing, food pigments, and dye-sensitized solar cells.