3d image of dimethyldioctadecylammonium chloride skeletal formula

dimethyldioctadecylammonium chloride distearyl dimethyl ammonium aliquot 207 ddac distearyldimonium dsdmac organic compound quaternary salt stearyl detergent-like biodegradability fabric softener antistatic synthesis phase transfer catalyst organic-water system quats polyatomic ions 3d anionic surfactant cleansing hydrophilic hydrophobic synthetic detergent zwitterionic surface tension micelle surfaces emulsifying environmental environment anthropogenic hera biodegradation bioaccumulating biomagnification biomagnify toxic pollutant pollution damage non-biodegradable organic rcra naaqs cecs clean water act