| abstract |
The present invention relates to a softener active comprising a complex of: (i) a fabric-softening cationic quaternary ammonium di-ester compound comprising a cationic quaternary ammonium component having the formula (I): wherein, each R is independently selected from C 12 -C 22 alkyl groups; and (ii) a source of acid selected from the group consisting of C 12 -C 22 fatty acids, mono-alkyl esters of a C 12 -C 22 alkyl sulphuric adds, C 11 -C 13 alkyl benzene sulphonic acids, anionic derivatives thereof, salt thereof, and combinations thereof. |