New

Ask Wove anything about tariffs.

Try Tariff Assistant

tert-Butylhydroquinone (TBHQ) Antioxidant Powder from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, 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