1,4-Dioxane from China
1,4-Dioxane is a six-membered heterocyclic ring with two oxygen atoms in 1,4-positions, aromatic heterocyclic compound under HTS 2932.99.70.00. Widely used as an industrial solvent despite regulatory concerns.
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
• Include purity analysis certificate as 1,4-dioxane often requires REACH/TSCA compliance documentation
• Verify solvent does not render product suitable for specific use per chapter note (e)
• Label with hazard warnings; may require DOT hazardous material declaration