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China and the United States are the leading exporters of Trimellitic Anhydride (CAS 552-30-7), collectively accounting for a majority of global export volume, while Germany, South Korea, and India represent the largest importing markets. Trimellitic Anhydride prices have remained relatively stable amid steady demand from polyester resin and coating applications. Export volumes from China increased modestly in 2023–2024, while U.S. exports held steady, and European imports showed slight consolidation among key industrial users.
Trimellitic anhydride (TMA) is a white to off-white crystalline solid with a faint, acrid odor; it has a melting point of approximately 165–167 °C and sublimes readily at elevated temperatures. It is an aromatic polycyclic organic compound classified as a cyclic anhydride and serves primarily as a specialty chemical intermediate. TMA is widely used in the synthesis of trimellitate esters—particularly trihexyl and trilauryl trimellitates—which function as high-molecular-weight plasticizers for polyvinyl chloride (PVC) and other thermoplastics. Its principal application areas include flexible PVC products such as wire and cable insulation, automotive interiors, flooring, and medical tubing, where thermal and light stability are critical.
In the preparation of resins, adhesives, polymers, dyes, printing inks.
white crystalline powder,combustible.
This chemical is included in Fine Chemicals - Adhesives & Coating Raw Materials. See more about what is Trimellitic Anhydride and Trimellitic Anhydride SDS information.
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