Dihexadecyl dimethyl ammonium phosphate (bactericide, sterilize) [(C16H33)2(CH3)2N]3PO4 Purity>99% pharmaceutical grade Dihexadecyl dimethyl ammonium phosphate (bactericide, sterilize) [(C16H33)2(CH3)2N]3PO4 Purity>99% pharmaceutical grade Dihexadecyl dimethyl ammonium phosphate (bactericide, sterilize)