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Triethyl Phosphite from Canada

Triethyl phosphite is a colorless liquid organophosphorus compound with the formula P(OCH2CH3)3, classified under HTS 2920.24.00.00 as a phosphite ester of an inorganic acid of nonmetal (phosphorous acid). It is a key reagent in organic synthesis for producing phosphonate ligands and flame retardants.

Duty Rate — Canada → United States

13.7%

Rate breakdown

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

Import Tips

Verify purity levels (typically >97%) via Certificate of Analysis to meet chemical import standards; ensure proper UN 2323 hazardous material labeling for transport; declare as pure compound to avoid mixture reclassification under Chapter 38

Triethyl Phosphite from Canada — Import Duty Rate | HTS 2920.24.00.00