1,2,3,4,5,6-Benzenehexamine trihydrochloride, also known as hexamethylenetetramine trihydrochloride, is a chemical compound used in various industrial and scientific applications. It is a white crystalline substance commonly employed in organic synthesis, pharmaceuticals, and as a curing agent for resins and plastics. Additionally, it serves as a reagent in chemical research and a stabilizer in certain formulations.