Monoethyl Adipate from China
Monoethyl adipate is a half-ester of adipic acid used in pharmaceutical intermediates and polymer modifiers. Classified under HTS 2917.12.5000 as other adipic acid derivative per acyclic polycarboxylic acids. Single esterification maintains classification with parent acid.
Duty Rate — China → United States
44%
Rate breakdown
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
• Drug Master File (DMF) reference often required for pharma intermediates
• Stability data critical; common pitfall is improper refrigerated transport
• Avoid water-dissolved forms per Chapter 29 note (d) exclusion criteria