Anthraquinone-2-sulfonic Acid from Mexico
Free acid form of anthraquinonesulfonic acid, a sulfonated quinone derivative under HTS 2914.61.00.00. Essential for production of direct and reactive dyes.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• High acidity requires corrosion-resistant packaging and labeling
• Titration data confirming sulfonic acid content mandatory
• Distinguish from silver salt forms used in specific dye processes