Chlordimeform Hydrochloride Salt from Canada
The hydrochloride salt form of chlordimeform (ISO), an imine derivative with added inorganic salt per chapter classification rules. Falls under HTS 2925.21.00.00 as the principal organic imine compound, with salts classified accordingly under note for organic salts. Used in soluble acaricide preparations.
Duty Rate — Canada → United States
110%
Rate breakdown
9903.04.6093.5%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
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
• Declare exact salt stoichiometry in entry docs to confirm imine base classification over inorganic salts
• Test for water solubility if diluted per chapter note (d)
• Pitfall: confusion with Chapter 28 if metal salt misidentified