... white briquette.Stimulating odour and sour, flammable, sublimation, soluble in water generate a green pigment, c33h34n4o6, relative density of 1.480, 52 ... ≤25Crystallization point ,°C≥52.4Ash ,%≤0.005Iron (Fe) ,PPM≤5Application: a.Maleic anhydride's main purpose is to produce thermosetting resin ...