N-Phenyl-1-Naphthylamine (Neozone D) from China
N-Phenyl-1-naphthylamine is an aromatic amine derivative of diphenylamine used primarily as an antioxidant and stabilizer in rubber and tire production. It falls under HTS 2921.44.2000 as a derivative of diphenylamine specifically listed in additional U.S. note 3 to section VI for chemical products with controlled import volumes. This compound prevents oxidative degradation in polymers during manufacturing.
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
• Verify inclusion in additional U.S. note 3 to section VI quota list before importing; obtain necessary licenses from U.S
• International Trade Commission
• Ensure chemical purity documentation matches 99%+ specification to avoid reclassification
• Common pitfall: exceeding annual quota leads to higher duties under general rates