Pyridine N-Oxide from Canada
Pyridine N-oxide is the N-oxidized derivative of pyridine, used in organic synthesis as oxidant and directing group. Falls under HTS 2933.39.92.00 as 'other' pyridine ring compound; N-oxide maintains unfused pyridine classification per HTS. Excluded if in coordination complexes.
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
• Oxidizer hazard class 5.1 (UN 1479); purity via HPLC
• Avoid Chapter 28 classification error