2-Naphthalenethiol is primarily used in the field of organic synthesis, where it serves as a key intermediate for the production of various organic compounds. It is particularly valuable in the synthesis of dyes and pigments, contributing to the vibrant colors in textiles and inks. Additionally, this compound finds application in the development of pharmaceuticals, where it acts as a building block for certain active pharmaceutical ingredients (APIs). In material science, 2-Naphthalenethiol is utilized in the creation of organic semiconductors and conductive polymers, which are essential components in electronic devices. Its ability to form self-assembled monolayers (SAMs) on metal surfaces also makes it useful in surface modification and nanotechnology applications, enhancing the properties of materials at the nanoscale.