Papermaking Industry.maleic anhydride MA-modified resins are used as paper treatment agents; maleic anhydride MA-modified rosin (maleated rosin) is an internal sizing agent. Fumaric acid-modified rosin gum (a highly used acidic sizing agent) enhances paper stability with excellent oxidation and aging resistance. MA-cyclic diene resins are used in paper cleaning and printing inks.

Pharmaceuticals.MA maleic anhydride is used to synthesize drugs like sulfamethoxazole (SMZ); its derivative succinyl chloride is used to make aminophylline and cough suppressants. L-aspartic acid and L-alanine (from fumaric acid) are used in medical infusions. Ferrous fumarate (iron fumarate) is a low-side-effect drug for treating anemia.

Trusted for 20 years: Our maleic anhydride (99.5%+ purity) has supported 300+ clients’ polymer/resin production—15,000 MT annual capacity, competitive pricing! Hit us up to secure your order!

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Post time: Jan-22-2026