Behentrimonium chloride, also known as docosyltrimethylammonium chloride or BTAC-228, is an irritating, toxic, and slightly flammable yellow waxlike organic compound with chemical formula CH3(CH2)21N(Cl)(CH3)3 , used as an antistatic agent and a disinfectant. It is commonly found in cosmetics such as conditioners, hair dye, and mousse, and also in detergents. In water treatment, it acts as an algaecide.
Its CAS number is [17301-53-0] and its SMILES structure is CCCCCCCCCCCCCCCCCCCCCC[N+](C)(C)C.[Cl-].
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