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China and Germany are the leading exporters of diphenyl phosphite (CAS 4712-55-4), collectively accounting for a majority of global shipments in recent years, while the United States, South Korea, and India represent the largest importers. Diphenyl phosphite prices have remained relatively stable amid steady demand from polymer stabilizer and agrochemical intermediate applications. Export volumes from China have increased modestly since 2022, while German exports have held steady, reflecting continued reliance on European and North American downstream manufacturing sectors.
Diphenyl phosphite is a colorless to pale yellow, viscous liquid at room temperature with a mild, characteristic odor and moderate volatility. It is an organophosphorus compound classified as a triaryl phosphite ester and serves primarily as a chemical intermediate in organic synthesis. Its principal industrial applications include use in the production of flame retardants (e.g., aryl phosphates), stabilizers for polymers and plastics, and as a reagent in the synthesis of pharmaceuticals and agrochemicals. It is also employed in the preparation of phosphonate-based ligands and catalysts for cross-coupling reactions. Typical end-use sectors encompass polymer additives, crop protection formulations, and specialty fine chemicals manufacturing.
clear liquid DIPHENYL PHOSPHITESupplier
This chemical is included in Fine Chemicals. See more about what is Diphenyl Phosphite and Diphenyl Phosphite SDS information.
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