... gasoline. Flash point (open cup) 110 °C.Maleic anhydride (cis-butenedioic anhydride, toxilic anhydride, dihydro-2,5-dioxofuran) is an ... availability and bifunctional reactivity. It hydrolyzes, producing maleic acid, cis-HO2CCH=CHCO2H. With alcohols, the half-ester is generated, ... e.g., cis-HO2CCH=CHCO2CH3.Maleic anhydride is a potent dienophile in Diels ...