1-Hexadecanamine, N,N-dimethyl-, N-oxide 197730-99-7 7128-91-8 Cetamine oxide Cetyl dimethyl amine oxide EINECS 230-429-0 Hexadecyldimethylamine N-oxide N,N-DIMETHYLHEXADECYLAMINE N-OXIDE N,N-Dimethyl-1-hexadecanamine-N-oxide Palmitamine oxide Palmityl dimethylamine oxide