2-Hydroxybenzoxazole (Benzoxazolone) from China
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 — China → United States
100%
Rate breakdown
9903.04.6094.2%Pharmaceuticals Annex IV: patented pharma articles — 100% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
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