Industrial Grade Trimethyl Phosphite from Mexico

Industrial trimethyl phosphite for large-scale production of flame retardants and plasticizers. Classified in HTS 2920.23.00.00 as the specific phosphite ester meeting chapter purity criteria.

Duty Rate — Mexico → United States

13.7%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter

Import Tips

Use ISO tanks for bulk import; declare stabilizer content if added per note 2(f)

Monitor for hydrolysis during storage; improper docs lead to EPA holds

Confirm not halogenated via NMR to stay in 2920 vs 2931