Pharmaceutical Grade Witherite from United States
Ultra-pure natural witherite meeting pharmacopeia standards for barium content, used as a raw material for radiopaque agents. This product is classified under tariff item 2511.20.00 as it is a natural mineral source, not yet formulated into a medicament.
Duty Rate — United States → Canada
0%
Import Tips
• Confirm the product is not a medicament or pharmaceutical preparation, which would fall under Chapter 30
• Provide documentation showing it is a raw mineral, not a formulated product
• Check if any purification involves chemical processes beyond washing or mechanical methods, as that may affect classification