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2920.90.20.00/Phenyl Phosphonic Acid Diethyl Ester/Canada

Phenyl Phosphonic Acid Diethyl Ester from Canada

Mixed aromatic-aliphatic phosphonate ester used in flame retardants and agrochemical intermediates. Classified under HTS 2920.90.2000 as aromatic ester of phosphonic acid with principal phenyl recognition. Meets chapter note requirements for acid-function esters.

Duty Rate — Canada → United States

16.5%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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Import Tips

• Declare both aromatic and aliphatic ester components for proper statistical reporting

• Agrochem importers require EPA registration and pesticide import permits