Maleic anhydride, omwe amadziwikanso kuti MA, ndi gulu losunthika lomwe limagwiritsidwa ntchito kwambiri popanga utomoni.Imapita ndi mayina osiyanasiyana, kuphatikiza malic anhydride ya dehydrated ndi maleic anhydride.Mankhwala a maleic anhydride ndi C4H2O3, kulemera kwa maselo ndi 98.057, ndipo malo osungunuka ndi 51-56 ° C.Nambala ya UN Hazardous Goods Number 2215 imatchedwa chinthu choopsa, choncho ndikofunikira kuti mugwiritse ntchito mankhwalawa mosamala.