High quality Benzyl trimethyl ammonium tribromide with professional service CAS 111865-47-5, it is a chemical compound with the formula C10H15Br3N. It is a quaternary ammonium salt,which contains a benzyl group attached to a nitrogen atom, as well as three bromine atoms,and is commonly used as a phase-transfer catalyst in organic synthesis reactions. Benzyl trimethyl ammonium tribromide is a white crystalline solid, and soluble in organic solvents such as methanol and acetone.