2-Hydroxyquinoline

2-Hydroxyquinoline is an organic compound that belongs to the class of quinolines, which are nitrogen-containing heterocyclic aromatic compounds. It has a hydroxy group (-OH) attached to the second position of the quinoline ring. 2-Hydroxyquinoline is often used as a chelating agent, binding to metal ions to form complexes. This makes it useful in various applications, such as in analytical chemistry for metal detection and extraction.