1,4-Dioxane from China
1,4-Dioxane is a six-membered heterocyclic ring with two oxygen atoms in 1,4 positions, falling under HTS 2932.99.61.00 as an aromatic heterocyclic compound specified in additional U.S. note 3. It serves as an important solvent in pharmaceuticals and chemical manufacturing.
Duty Rate — China → United States
112.5%
Rate breakdown
9903.04.6093.5%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
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
Import Tips
• Include Material Safety Data Sheets (MSDS) due to 1,4-dioxane's carcinogenic classification
• Confirm compliance with TSCA inventory listing for chemical import
• Check state-specific VOC regulations for solvent imports