4,4'-Diaminobenzanilide from China
4,4'-Diaminobenzanilide is an aromatic polyamine amide derivative used in polymer synthesis. HTS 2921.59.80 captures it as an 'other' polyamine derivative, where the amine functions predominate over amide per Chapter 29 classification hierarchy.
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
• FTIR spectrum showing primary amine peaks vs amide carbonyl for function priority
• Avoid 'polyamide' description triggering Chapter 39 confusion
• Intermediate for aramids; specify not finished fiber (Chapter 54)