Potassium Bicarbonate USP Grade from Mexico
Potassium bicarbonate USP grade is a pharmaceutical-grade potassium hydrogencarbonate (KHCO3) used as an antacid. It is a separate chemically defined compound, classifiable under tariff item 2836.40.00. As a pure compound not put up in measured doses, it remains in Chapter 28.
Duty Rate — Mexico → Canada
0%
Import Tips
• Verify the product is not packaged in tablets or capsules, as that would reclassify it under Chapter 30
• Provide a USP certificate of analysis to confirm purity
• If used as an antacid API, comply with Health Canada regulations, but customs classification remains under 2836.40.00