Maleic anhydride is an organic compound with the formula C2H2(CO)2O. It is the acid anhydride of maleic acid. It is a colorless or white solid with an acrid odor.
Formula: C4H2O3
Molar mass: 98.06 g/mol
Density: 1.48 g/cm³
Melting point: 52.6 °C
Boiling point: 202 °C