Diphenylamine Phosphate Salt from United States
Diphenylamine phosphate salt is the phosphate salt of diphenylamine, used as a flame retardant additive in polymers. It is classified under tariff item 2921.44.00 as a salt of diphenylamine, as chapter note 5 states that inorganic salts of organic compounds are classified in the heading appropriate to the organic compound.
Duty Rate — United States → Canada
PGA flags (1)Show detailsHide detailsHCActive Pharmaceutical IngredientsMay be required
- 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 2921. 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 stoichiometry of the phosphate salt, as different salts may have different classifications
• Provide the CAS number and chemical structure on the commercial invoice
• If the product is used as a flame retardant, consider whether it is more appropriately classified under heading 3809 or 3812