tert-Butylhydroquinone (TBHQ) Antioxidant Powder from Canada
tert-Butylhydroquinone (TBHQ) is a synthetic phenolic antioxidant used primarily to preserve fats and oils in food products by inhibiting oxidation. As a polyphenolic compound with the specific chemical structure matching this HTS subheading, it falls under 2907.29.25.00 for import classification. It is typically supplied as a white to light tan crystalline powder.
Duty Rate — Canada → United States
15.5%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Verify 99% minimum purity and provide Certificate of Analysis (CoA) to meet FDA food additive regulations; declare as a chemical additive not for direct consumption to avoid misclassification; check for stabilizer additions which must not alter general-use classification per Chapter 29 notes