2,4,6-Collidine, also known as 2,4,6-trimethylpyridine, is a nitrogen-containing heterocyclic compound with the molecular formula C9H13N. It features a pyridine ring with three methyl groups attached at the 2, 4, and 6 positions. This colorless liquid possesses a distinctive odor and is soluble in organic solvents. 2,4,6-Collidine is primarily used as a solvent, a reagent in organic synthesis, and in the production of various chemical intermediates. Additionally, it finds applications in catalysis and as a base in organic reactions, making it an important compound in both industrial and research settings.