Dodecyl trimethyl ammonium chloride is colorless liquid to white crystalline powder, is soluble in water and ethanol. It is stable below 100â?? and has good compatibility with cationic, nonionic surfactants. It has good chemical stability, heat resistance, light resistance, pressure resistance, resistance to acid and alkali, and it also has excellent properties of permeability, softness, emulsification, anti electrostatic and bactericidal. z