Dioctadecyl dimethyl ammonium chloride is a white to slightly yellow paste or solid. Dioctadecyl dimethyl ammonium chloride is slightly soluble in water and soluble in organic solvents such as  and ethanol. It is easy to absorb moisture in the air. Dioctadecyl dimethyl ammonium chloride has excellent antistatic, bactericidal, antibacterial, anti-corrosion, corrosion inhibition, solubilization, emulsification, and dispersion properties. Dioctadecyl dimethyl ammonium chloride is resistant to light, acid and hard water