3-Fluoro-5-nitroaniline is primarily used in the synthesis of various organic compounds, particularly in the production of dyes and pigments. Its unique structure allows it to act as an intermediate in the creation of complex molecules that exhibit vibrant colors, making it valuable in the textile and printing industries. Additionally, it serves as a building block in the development of pharmaceuticals, where it contributes to the formation of active ingredients in certain drugs. Its nitro and amino groups make it a versatile reagent in chemical reactions, enabling the creation of compounds with specific properties for research and industrial applications.