3-Phenylsalicylic acid is primarily utilized in the synthesis of various pharmaceutical compounds. It serves as a key intermediate in the production of non-steroidal anti-inflammatory drugs (NSAIDs), which are widely used to reduce pain, inflammation, and fever. Additionally, this compound is employed in the development of organic light-emitting diodes (OLEDs) due to its ability to enhance the efficiency and stability of these devices. In the field of organic chemistry, it is often used as a building block for the creation of more complex molecules, particularly in the synthesis of dyes and pigments. Its unique structure also makes it valuable in research applications, where it is studied for its potential antioxidant and antimicrobial properties.