Synonyms: tetrasodium 4,4'-[(1-methylethylidene)bis(1,4-phenyleneoxy)]bisphthalate;1,2-Benzenedicarboxylic acid, 4,4'-((1-methylethylidene)bis(4,1-phenyleneoxy))bis-, sodium salt (1:4);1,2-Benzenedicarboxylic acid, 4,4'-((1-methylethylidene)bis(4,1-phenyleneoxy))bis-, tetrasodium salt;2,2-Bis(4-(3,4-dicarboxyphenoxy)phenyl)propane, tetrasodium salt;Einecs 267-591-7;Tetrasodium 4,4'-(isopropylidenebis(4,1-phenyleneoxy))diphthalate