Oxazine 1 perchlorate is widely used as a fluorescent dye in biological and chemical research. Its strong fluorescence properties make it ideal for staining and imaging applications, particularly in microscopy and flow cytometry. It is often employed to label and track cellular components, such as nucleic acids, proteins, and organelles, due to its high sensitivity and photostability. Additionally, it is utilized in fluorescence-based assays to study molecular interactions and dynamics. In material science, it serves as a fluorescent marker for analyzing the structure and properties of polymers and other materials. Its ability to emit bright and stable fluorescence under various conditions makes it a valuable tool in both academic and industrial research.