Anthracene-2-Sulfonic Acid from Canada
Anthracene-2-sulfonic acid from sulfonation of anthracene polycyclic hydrocarbon. HTS 2904.99.50.00 covers this higher PAH sulfonated derivative. Used in specialty dye synthesis.
Duty Rate — Canada → United States
13.7%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• PAH content certification required under REACH/TSCA for environmental persistence
• Dark-colored product; use amber glass/HDPE to prevent photodegradation
• Position 2 vs 9 isomer critical for correct CAS registry matching