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China and the United States are the leading exporters of triisodecyl phosphite, collectively accounting for over 60% of global export value in 2023–2024, while Germany, South Korea, and India represent the largest importers. Triisodecyl phosphite prices have remained relatively stable amid steady demand from polymer stabilizer manufacturers in Asia and Europe. Export volumes from China increased by approximately 8% year-on-year in 2024, while U.S. exports plateaued, signaling a gradual consolidation of China’s position as the dominant supplier.
Triisodecyl phosphite is a colorless to pale yellow, low-volatility liquid at room temperature, with a mild, characteristic odor and no well-defined melting point; its boiling point is typically above 300 °C under reduced pressure. It is an organophosphorus compound classified as a trialkyl phosphite ester. Primarily used as a secondary antioxidant and hydrolytic stabilizer, it functions by decomposing peroxides and scavenging alkyl radicals in polymer systems. Its principal applications are in polyolefins (e.g., polyethylene and polypropylene), engineering thermoplastics, and elastomers—particularly where thermal stability and long-term processing performance are required. It is also employed in lubricant formulations and as a stabilizer in certain adhesive and coating systems.
This chemical is included in Fine Chemicals. See more about what is Triisodecyl phosphite and Triisodecyl phosphite SDS information.
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