Anthraquinone-2-sulfonic Acid from Canada
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 — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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