Tetramethyl Ammonium Chloride (TMAC, etramine chloride,75-57-0, Methanaminium) Molecular Formula: (CH3)4NCl crystal powder Tetramethyl Ammonium ChlorideTMAC, etramine chloride, MethanaminiumCas:75-57-0EINECS ... such as zinc, lead, and the like, in primary battery cells, comprises a quaternary ammonium salt, particularly, tetraalkyl ammonium chloride.More preferably Tetraheptyl ammonium chloride.Used ...