1,5-Dihydroxyanthraquinone (Anthrarufin) from China
Anthrarufin (1,5-dihydroxyanthraquinone) combines quinone functionality with phenolic hydroxy groups. Classified in HTS 2914.61.00.00 as 'quinones...with other oxygen function.' Used in dye synthesis and as pharmaceutical intermediates.
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
• Specify exact hydroxy positions (1,5-) in technical documentation for proper identification
• Include melting point (280-282°C) and purity specs matching commercial anthrarufin
• Avoid classification confusion with anthraquinone dyes by excluding colorant formulations