Used as a fluorescent probe in biochemical and biophysical research due to its sensitivity to the polarity and proticity of the environment. Its emission spectrum shifts in response to changes in hydrogen bonding and solvent interactions, making it valuable for studying membrane dynamics, protein folding, and microenvironment changes in biomolecules. Also applied in the development of chemosensors for detecting metal ions and small molecules. Shows potential in photodynamic therapy and as a scaffold in designing bioactive compounds with antioxidant and antimicrobial properties.