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

31.5%

Rate breakdown

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)
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter

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)