2-Sulfoanthraquinone from China
2-Sulfoanthraquinone contains a sulfonic acid group at position 2 of the anthraquinone molecule. Falls under HTS 2914.61.00.00 as a sulfonated quinone derivative explicitly covered by Chapter 29 heading provisions. Key intermediate for water-soluble anthraquinone dyes.
Duty Rate — China → United States
35%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
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)
Import Tips
• Provide acid value and sulfonation degree certification to prove chemical identity
• Ship as sodium salt if stabilized; declare both acid and salt forms accurately
• Confirm no dyeing formulation additives that would shift to Chapter 32 exclusion