Synonyms: 1-(Carboxymethyl)-2-heptadecyl-1-(2-hydroxyethyl)-2-imidazoliniumhydroxide, sodium salt (6CI); 1H-Imidazolium,1-(carboxymethyl)-2-heptadecyl-4,5-dihydro-1-(2-hydroxyethyl)-, hydroxide,monosodium salt (9CI); 2-Imidazolinium,1-(carboxymethyl)-2-heptadecyl-1-(2-hydroxyethyl)-, hydroxide, monosodium salt(8CI); 1-Carboxymethyl-1-(2-hydroxyethyl)-2-heptadecyl-2-imidazoliniumhydroxide sodium salt; 2-Imidazolinium,1-(carboxymethyl)-2-heptadecyl-1-(2-hydroxyethyl)-, hydroxide, sodium salt