Purified 2-Anthracenesulfonic acid (98% purity) from Canada
High-purity 2-anthracenesulfonic acid (98%) is a refined version of the sulfonated anthracene derivative, free of significant impurities per Chapter 29 scope. Classified under HTS 2904.10.0400 for its sulfo-only hydrocarbon structure. Ideal for precise analytical and synthetic uses.
Duty Rate — Canada → United States
15.5%
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
• Supply third-party purity assay reports; declare as 'technical grade' if below 99% to match statistical suffixes
• Monitor for stabilizer additions that trigger note (f) review