Remazol Marine Blue is a multifunctional dye. Dyes are crucial tools in biological experiments, facilitating observation and analysis of cell structures, tracking biomolecules, evaluating cell functions, distinguishing cell types, detecting biomolecules, studying tissue pathology, and monitoring microorganisms. Their applications span basic scientific research, clinical diagnostics, traditional textile dyeing, functional textile processing, food pigments, and dye-sensitized solar cells.