4,6-Dihydroxyquinoline is primarily utilized in the field of organic synthesis as a key intermediate for the preparation of various biologically active compounds. Its structural framework is particularly valuable in the development of pharmaceuticals, especially in the synthesis of antimalarial and antibacterial agents. The compound’s quinoline core is often modified to create derivatives that exhibit enhanced therapeutic properties. Additionally, it finds application in the production of dyes and pigments due to its ability to form stable complexes with metals, which are used in coloring textiles and other materials. In research, 4,6-Dihydroxyquinoline serves as a building block for studying chemical reactions and developing new synthetic methodologies. Its versatility and reactivity make it a significant compound in both industrial and academic settings.