1,5-Dihydroxyanthraquinone (Anthrarufin) from Japan
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 — Japan → United States
10%
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
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