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%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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