Triphenyl Phosphite from Japan

Triphenyl phosphite is a white crystalline solid used as a stabilizer in PVC plastics and as an antioxidant. Classified under HTS 2920.29.00.00 as a phosphite ester and its derivatives.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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Import Tips

• Provide FTIR spectrum analysis confirming P-OR structure to distinguish from phosphine oxides

• Solid form requires proper packaging certification for bulk chemical shipments

• Monitor TSCA inventory status; new phosphite formulations may require PMN notification