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Trimethyl Phosphite from Germany

Trimethyl phosphite is a colorless liquid organophosphorus compound with the formula P(OCH3)3, classified under HTS 2920.23.00.00 as a phosphite ester. It serves as a key reagent in organic synthesis for producing pesticides, flame retardants, and pharmaceutical intermediates.

Duty Rate — Germany → United States

10%

Rate breakdown

9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter

Import Tips

Obtain chemical import license and ensure SDS compliance with TSCA pre-manufacture notification if not on inventory

Verify purity certificate (>98%) as impurities may affect classification; package in UN-approved drums for phosphite hazards

Avoid misclassification as pesticide intermediate; declare as pure chemical reagent to prevent higher duties