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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

9903.05.5510%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

• 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