Phthalimide is a dicarboximide that is 2,3-dihydro-1H-isoindole substituted by oxo groups at positions 1 and 3.It is a white to light tan powder. Slightly acidic.
Phthalimide is the organic compound with the formula C6H4(CO)2NH. It is the imide derivative of phthalic anhydride. It is a sublimable white solid that is slightly soluble in water but more so upon addition of base. It is used as a precursor to other organic compounds as a masked source of ammonia.