Synonyms: 2-Butenedioicacid (2Z)-, mono(2-hydroxyethyl) ester (9CI); 2-Butenedioic acid (Z)-,mono(2-hydroxyethyl) ester; Maleic acid, 2-hydroxyethyl ester (6CI,7CI); Maleicacid, mono(2-hydroxyethyl) ester (8CI); Ethylene glycol, maleate (6CI);Ethylene glycol, mono(hydrogen maleate) (8CI); 2-Hydroxyethyl hydrogen maleate;Ethylene glycol monomaleate; Ethylene glycol, mono(hydrogen butenedioate);Hydrogen 2-hydroxyethyl maleate; Mono(2-hydroxyethyl) maleate