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China and the United States are the leading exporters of maleic acid, accounting for a substantial share of global shipments, while India, Germany, and South Korea represent the largest importers. Maleic acid prices have remained relatively stable amid steady cross-border flows, with minor regional fluctuations tied to feedstock costs and demand from downstream industries like resins and agrochemicals. Export volumes from China have increased modestly over the past two years, while U.S. exports have held steady, and Indian imports have grown consistently—reflecting expanding domestic production of unsaturated polyester resins.
Maleic acid is a white crystalline solid with a faint, characteristic odor and moderate water solubility; it melts at approximately 135 °C and decomposes before boiling. It is an unsaturated dicarboxylic organic acid and a key chemical intermediate. Industrially, it is primarily used in the production of unsaturated polyester resins (UPRs), which are essential in reinforced plastics, marine composites, and automotive parts. It also serves as a precursor to fumaric acid, malic acid, and various agrochemicals, including plant growth regulators and herbicides. Typical application areas include polymer manufacturing, coatings, adhesives, and food additives (as its salts or derivatives).
Maleic acid is an industrial raw material for the production of glyoxylic acid by ozonolysis. Maleic acid may be used to form acid addition salts with drugs to make them more stable, such as indacaterol maleate.
Maleic acid, HOOCCH:CHCOOH, also known as maleinic acid and toxilic acid,is a colorless crystalline dibasic acid. It is soluble in water and alcohol. Maleic acid is used in manufacturing synthetic resins, in textile processing, and in preserving oils and fats.
This chemical is included in Fine Chemicals. See more about what is Maleic acid and Maleic acid SDS information.
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