Phalloidin-f-HM-SiR is a versatile dye. It serves as an essential tool in biological experiments, aiding researchers in observing and analyzing cellular structures, tracking biomolecules, assessing cellular functions, distinguishing cell types, detecting biomolecules, studying tissue pathology, and monitoring microorganisms. Its applications span a wide range of fields from basic scientific research to clinical diagnostics. Moreover, dyes are used extensively in traditional domains such as textile dyeing, as well as in emerging areas like functional textile processing, food colorants, and dye-sensitized solar cells.