... ,Maleic Anhydride 99.5% 2,108-31-6,maleic anhydride 3,60,000 Ton/ year 4,packing: 25kg/bag, 22mt or 24m/FCL 5,factory Maleic Anhydride 99.5% ... 1,Cas No: 108-31-6 2,HS Code: 291714003,Type: Flake and Briquette4,Application: Maleic Anhydride used ... competitive edge, Baotie expanded the production of maleic anhydride to 60,000 tonne/y. Maleic Anhydride 99.5%