1,8-Naphthalimide from China
1,8-Naphthalimide is an aromatic lactam featuring a fused naphthalene ring system with a nitrogen-containing heterocyclic imide group. It qualifies for HTS 2933.79.1500 as an aromatic lactam employed in fluorescent dyes and optical brighteners. The classification adheres to Chapter 29's priority for last numerical order among applicable heterocyclic headings.
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
• Certify non-coloring matter status to avoid Chapter 32 exclusion; document stabilizer additions under note (f)
• Common issue: confusion with heading 3204 if dyed