Diisopropyl-N,N-diethyl phosphoramidate from China
Diisopropyl-N,N-diethyl phosphoramidate features isopropyl groups on phosphorus and ethyl on nitrogen, matching HTS 2929.90.50.20 specifications. Utilized in the synthesis of insecticides and as a chiral resolving agent.
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
• Isopropyl stereochemistry must be documented; racemic vs enantiopure affects value declaration
• Segregate from amines during storage/transport to prevent side reactions
• File correct EEI with precise chemical description to avoid CBP reclassification