</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Pyridine N-Oxide (CAS 694-59-7) from Canada

Pyridine N-oxide features the pyridine ring with oxygen bonded to the nitrogen atom, used as an intermediate in organic synthesis. The N-oxide maintains pyridine ring classification per heading scope. Covered by HTS 2933.31.00.00.

Duty Rate — Canada → United States

10%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

Import Tips

Oxidizing properties require Division 5.1 labeling

Include synthetic route documentation for customs verification

Store away from reducing agents per SDS requirements