1-Hexadecanaminium, N,N-dimethyl-N-(3-sulfopropyl)-, hydroxide, inner salt 2281-11-0 EINECS 218-918-7 Hexadecyldimethyl(3-sulphonatopropyl)ammonium N-hexadecyl-N,N-dimethyl-3-ammonio-1-propanesulfonate SB16 Zwittergent 3-16