This chemical is primarily used as a fluorescent dye in biological research, particularly for labeling cell membranes. Its lipophilic nature allows it to integrate seamlessly into lipid bilayers, making it an excellent tool for studying membrane dynamics and structure. Researchers often employ it in fluorescence microscopy to visualize and track membrane behavior in live cells. Additionally, it is utilized in flow cytometry to analyze cell populations based on membrane characteristics. Its long alkyl chains ensure stable incorporation into membranes, providing consistent and reliable fluorescence signals. This dye is also valuable in studying lipid rafts and membrane fluidity, contributing to a deeper understanding of cellular processes and interactions.