New

Ask Wove anything about tariffs.

Try Tariff Assistant

2-Hydroxybenzoxazole (Benzoxazolone) from Canada

2-Hydroxybenzoxazole, also known as benzoxazolone, is an aromatic heterocyclic compound featuring a fused benzene-oxazole ring system. Classified under HTS 2934.99.05.00 as an explicitly named 'other heterocyclic compound' with aromatic character. Used in dye synthesis, polymer additives, and pharmaceutical intermediates.

Duty Rate — Canada → United States

110%

Rate breakdown

9903.04.6094.2%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
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

• Include FTIR or NMR spectra in documentation to confirm the benzoxazolone structure and aromatic classification

• Label as 'not for medicinal use' if intermediate grade to prevent FDA scrutiny under pharmaceutical headings

• Check for stabilizer additions that might trigger reclassification under chapter note (f) for preservation purposes