Thorium Nitrate Crystals from United States
Thorium nitrate crystals, chemically defined as Th(NO3)4·4H2O, are used in gas mantles and catalyst production. As a thorium compound, it is classified under this tariff item.
Duty Rate — United States → Canada
PGA flags (2)Show detailsHide detailsCNSCImport ControlRequiredHCActive Pharmaceutical IngredientsMay be required
- CNSC
Import Control · Required
CANADIAN NUCLEAR SAFETY COMMISSION: CNSC Import Control (Controlled Nuclear Substance) requires review / declaration data. CBSA's Single Window matching criteria match this classification number (Starts With 28443).
- 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 2844. 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 chemical purity and hydration state in the commercial invoice
• Verify that the crystals are not radioactive isotopes requiring special permits
• Ensure proper packaging and labelling for radioactive materials