Persulfate Mixture for Polymerization from Japan
A technical-grade blend of ammonium and sodium persulfates is used as an initiator in acrylic emulsion polymerization. Although it is a mixture, it is classified under tariff item 2833.40.00 as a peroxosulphate, provided the components are chemically defined and the mixture is not put up for retail sale. Chapter 28 Note 1 allows products with added stabilizers if necessary for preservation or transport.
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
• Ensure the mixture is not put up in measured doses or for retail sale, which would shift classification to Chapter 38
• Provide the exact ratio of ammonium to sodium persulfate to the CBSA
• If the mixture contains other active ingredients, consider whether it is a preparation of Chapter 38