Behentrimonium chloride, also known as docosyltrimethylammonium chloride or BTAC-228, is a yellow waxlike organic compound with chemical formula , used as an antistatic agent and, sometimes, a disinfectant. It is commonly found in cosmetics such as conditioners, hair dye, and mousse, and also in detergents. Laboratory tests have indicated that it does not readily biodegrade. See also Cetrimonium chloride – an C19 structural analogue Cetrimonium bromide – an C19 structural analogue References External links Behentrimonium chloride at the Household Products Database Cosmetics chemicals Disinfectants Water treatment Antistatic agents Chlorides Cationic surfactants Quaternary ammonium compounds