Triethyl Phosphite from Mexico
Triethyl phosphite (P(OCH2CH3)3) is an organophosphorus compound used in the synthesis of insecticides and as a ligand in metal catalysis. It qualifies under HTS 2920.29.00.00 as 'other' phosphite esters excluding halide esters.
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
• Verify CAS number 122-52-1 on all documentation to prevent confusion with phosphate esters
• Include stabilizer certificates if product contains anti-oxidants per Chapter 29 note (f)
• Check for REACH compliance documentation for EU origin goods before US importation