Ammonium Difluoride from Canada
Ammonium difluoride (NH4HF2 variant) used in beaker cleaning and synthetic fluoride production. HTS 2826.19.1000 classifies it as ammonium fluoride. Chemically defined simple fluoride salt.
Duty Rate — Canada → United States
13.1%
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
• Distinguish from bifluoride via molar ratio in COA
• Retail lab packs risk 3824 classification