68953-57-1 Bis(hydrogenated tallow alkyl)dimethylammonium attapulgite EINECS 273-218-9 Quaternary ammonium compounds, bis(hydrogenated tallow alkyl)dimethyl, chlorides, compds. with attapulgite Quaternary ammonium compounds, bis(hydrogenated tallow alkyl)dimethyl, salts with attapulgite