... 99.5% 2.Maleic Anhydride free sample 3.Maleic Anhydride briquette 4.factory supply Maleic AnhydrideCharacters: CAS NO :108-31-6 ... Byname :Maleic anhydride,cis-Butenedioic anhydride,Toxilic anhydride,2,5-FurandioneAppearance :white ... , paint, dyeing auxiliaries, plasticizer (such as maleic acid), lubricating oil additives and fat and grease preservative of ...