(Bis(2-hydroxyethyl))methyl(2-((1-oxooctadecyl)oxy)ethyl)ammonium methyl sulphate 28706-44-7 EINECS 249-173-6 Ethanaminium, N,N-bis(2-hydroxyethyl)-N-methyl-2-((1-oxooctadecyl)oxy)-, methyl sulfate (salt)