Trimethyl Phosphite (TMPi) from United States
Trimethyl phosphite is a phosphorous acid ester used as a reagent in organic synthesis, antioxidant production, and pesticide manufacturing. It is a chemically defined ester of an inorganic acid of a non-metal (phosphorus) and is classified under tariff item 2920.90.00 as an 'other' ester of inorganic acids of non-metals.
Duty Rate — United States → Canada
PGA flags (2)Show detailsHide detailsCFIAAll ProgramsRequiredHCActive Pharmaceutical IngredientsMay be required
- CFIA
All Programs · Required
CANADIAN FOOD INSPECTION AGENCY: CFIA All Programs requires review / declaration data. CBSA's Single Window matching criteria match this classification number (Within Range 2920900000–2921110000).
- 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 2920. 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 product is anhydrous and free of impurities, as moisture can affect classification
• Provide a detailed SDS to CBSA, as the product is flammable and toxic
• Check if the product requires an import permit under Canadian chemical regulations