Maleic anhydride, also known as maleic acid anhydride, anhydrous maleic acid, and cis-butenedioic anhydride, is the anhydride of maleic acid. As an important organic chemical raw material, it has extensive applications in multiple industrial fields. Below are some of the common roles of maleic anhydride. Product Identification: Molecular Formula:C4H2O3 CAS No.108-31-6 ITEMS OF ANALYSIS SPECIFICATION APPEARANCE White, yellowish blocky, or flaky crystals ASSAY（%） 99.5MIN MELTING COLOR（PT/CO） 25APHA Max SOLIDIFICATION POINT 52.5℃ Min RESIDUE ON IGNITION（%） 0.005 FE（ug/g） 3MAX CONCLUSION CONFORM TO SPECIFICATION Plastics Industry: Maleic anhydride is primarily used as a raw material for manufacturing plasticizers in the plastics industry. Plasticizers are substances added to plastics to improve their flexibility, processability, and durability. The addition of maleic anhydride can significantly enhance the performance of plastics, making them more suitable for various appl...