2920.22.00.00/Distilled Diethyl Phosphite 99.5% Purity/Mexico

Distilled Diethyl Phosphite 99.5% Purity from Mexico

Vacuum-distilled diethyl phosphite achieving 99.5% purity for pharmaceutical phosphonate intermediate synthesis. Falls under HTS 2920.22.00.00 as high-purity phosphite ester per Chapter 29 chemical definition.

Duty Rate — Mexico → United States

13.7%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
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Import Tips

• Submit HPLC chromatogram showing single peak >99.5% to confirm chemically defined status

• Pharma imports need DMF reference or equivalent; common rejection for missing impurity profile

• Temperature-controlled shipping mandatory (maintain <15°C) to preserve purity

Distilled Diethyl Phosphite 99.5% Purity from Mexico — Import Duty Rate | HTS 2920.22.00.00