5-Amino-2-hydroxyacetophenone from Canada
5-Amino-2-hydroxyacetophenone contains amino, hydroxy, and ketone functions but classified by single principal ketone oxygen function under 2922.39.4500. Aromatic structure with multiple potential functions follows chapter priority rules.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Chapter note 3 requires latest numerical heading for multi-function compounds
• Tautomer analysis may be needed for hydroxy-amino proximity
• pH-sensitive; specify anhydrous form