Magnesium Persulfate Solution Crystals from Japan
Magnesium persulfate (MgS2O8) is a crystalline compound used in analytical chemistry and as a bleaching agent. As a chemically defined peroxosulphate of an inorganic base, it is classified under tariff item 2833.40.00. Chapter 28 Note 3(a) excludes magnesium oxide, but this persulfate salt is not excluded and falls squarely within the heading.
Duty Rate — Japan → Canada
PGA flags (2)Show detailsHide detailsCFIAAll ProgramsMay be requiredHCActive Pharmaceutical IngredientsMay be required
- CFIA
All Programs · May be required · on some HTS numbers under this code
May require CFIA All Programs depending on the full 10-digit classification number (only some numbers under this code are listed). Matching criteria: Within Range 2833290000–2833400020. Logic: MATCH IF (Valid HS Code).
- HC
Active Pharmaceutical Ingredients · May be required
May require HC Active Pharmaceutical Ingredients depending on intended use (HC13) and Canadian product category (HC01). Matching criteria: Starts With 2833. Logic: MATCH IF (Valid HS Code) AND (Intended Use Code) AND (Valid Canadian Product Category).
CBSA Single Window matching criteria, unknown
Import Tips
• Confirm the product is not magnesium oxide, which is excluded from Chapter 28
• Provide the chemical formula and purity certificate to the CBSA
• Check if the magnesium persulfate is in solution; if dissolved in water, it still qualifies under the heading