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
44%
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)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
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)