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Ethyl propyl-N,N-diisopropyl phosphoramidate from China

Ethyl propyl-N,N-diisopropyl phosphoramidate is a mixed-substituent compound within the specified alkyl combinations of HTS 2929.90.50.20. Employed in advanced materials synthesis and as a ligand in catalysis.

Duty Rate — China → United States

137.5%

Rate breakdown

9903.04.6093.5%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)

Import Tips

Batch-specific CoA required showing alkyl ratios match HTS description

Monitor for peroxides if stored long-term; include peroxide test results

Avoid bulk packaging over 100kg without stabilizer per chapter note (f)