Used primarily in the synthesis of organic compounds, 4-(Phenylthio)aniline serves as a key intermediate in the production of dyes and pigments, contributing to vibrant and stable colors in textiles and inks. It is also employed in the development of pharmaceuticals, particularly in the creation of compounds with potential therapeutic properties. Additionally, this chemical finds application in material science, where it is utilized in the preparation of polymers and resins, enhancing their durability and performance. Its role in organic synthesis extends to the creation of complex molecules for research and industrial purposes.