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2920.29.00.00/Dibutyl Phosphite/Mexico

Dibutyl Phosphite from Mexico

Dibutyl phosphite is a reactive intermediate for flame retardants and adhesives. Classified under HTS 2920.29.00.00 as a dialkyl phosphite ester.

Duty Rate — Mexico → United States

13.7%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• P-H acidity documentation distinguishes from neutral phosphite triesters

• Corrosivity test data required for steel drum packaging approval

• Avoid water contamination; hydrolysis products may change classification