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2-Anthracenesulfonic acid hydrate from Canada

2-Anthracenesulfonic acid hydrate is the parent compound dissolved in water as allowed under Chapter 29 note (d) for chemically defined products. It maintains classification in HTS 2904.10.0400 as a sulfonated hydrocarbon derivative. Commonly used in hydrated form for stability in lab applications.

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

Document water content to qualify under note (d); test for 'necessary' hydration vs. excessive dilution

Segregate from anhydrous forms in inventory for accurate declarations