Ammonium Difluoride from United States
Ammonium difluoride (NH4HF2 variant) is used in beaker cleaning and synthetic fluoride production. It is a chemically defined simple fluoride salt of ammonium, qualifying as an 'other' fluoride under this tariff item.
Duty Rate — United States → Canada
0%
Import Tips
• Verify the purity and chemical composition to ensure it meets the definition of a separate chemically defined compound
• Keep documentation of the manufacturing process
• Be aware of potential restrictions if used in cleaning products