Phenanthren-3-amine is primarily utilized in the field of organic synthesis, where it serves as a key intermediate in the production of various complex chemical compounds. Its structure is particularly valuable in the development of dyes and pigments, offering unique color properties and stability. Additionally, it finds application in the pharmaceutical industry, where it is used in the synthesis of certain drugs and bioactive molecules, contributing to the creation of compounds with potential therapeutic effects. In research, it is employed as a building block for studying chemical reactions and developing new materials with specific optical or electronic properties.