Triphenyl Phosphite from Mexico
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 — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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