High Purity Triethyl Phosphite 99.5% from Mexico
Ultra-high purity triethyl phosphite (99.5%) for pharmaceutical intermediate synthesis, directly under HTS 2920.24.00.00 as a separate chemically defined phosphite ester. Meets strict distillation specs for sensitive reactions.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include GC-MS analysis reports for purity claims; comply with REACH-like declarations if destined for EU re-export; segregate from oxidizers in transit