Synonyms: 1H-Isoindole-1,3(2H)-dione, potassium salt (1:1) (ACI), 1H-Isoindole-1,3(2H)-dione, potassium salt (9CI), Phthalimide, potassium deriv. (6CI), Phthalimide, potassium salt (8CI), Potassium, phthalimido- (7CI), 1H-Isoindole-1,3(2H)-dione, potassium salt, ion(1-) (1:1), Isoindole-1,3-dione potassium salt, N-Potassiophthalimide, Phthalimide potassium, Phthalimidopotassium, Potassium 1,3-dioxoisoindolin-2-ide, Potassium 2,3-dihydro-1H-isoindole-1,3-dione, Potassium isoindoline-1,3-dione, Potassium phthalimidate, Potassium phthalimide