This compound is primarily used as a fluorescent dye in various biological and chemical research applications. It is particularly valuable in fluorescence microscopy and flow cytometry for labeling and tracking cellular components. Its ability to bind to specific cellular structures allows researchers to visualize and study cell membranes, organelles, and other biological processes in real-time. Additionally, it is employed in photodynamic therapy and as a sensitizer in light-activated treatments due to its light-absorbing properties. Its stability and strong fluorescence make it a reliable tool in diagnostic assays and imaging techniques.