... plastic 4.prompt delivery Maleic Anhydride 99.5% 1.CharactersCAS NO :108-31-6 HS Code: 29171400Byname :Maleic anhydride,cis-Butenedioic anhydride,Toxilic anhydride ... , agricultural, surfactant, additive of plastics, etc. It is main material of binary acid with four ... carbons, 1,4-butanediol r-butyrolactone, tetrahydrofuran4.Packing : 25kg/PP ... shipment Maleic Anhydride (MAH) 99.5%