9-Aminofluorene is primarily utilized in research and industrial settings for its role as an intermediate in the synthesis of more complex organic compounds. It is particularly valuable in the production of dyes and pigments, where it contributes to the development of vibrant and stable colors. Additionally, this compound is employed in the field of biochemistry for studies involving DNA adduct formation, as it can interact with DNA to form covalent bonds, which helps in understanding mutagenic processes and DNA damage mechanisms. In material science, 9-aminofluorene is explored for its potential in creating advanced polymeric materials with specific optical and electronic properties. Its ability to act as a building block for various chemical structures makes it a versatile component in the development of new materials and chemical entities.