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2933.39.92.00/Pyridine N-Oxide/China

Pyridine N-Oxide from China

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 — China → United States

19%

Rate breakdown

9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
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Import Tips

• Oxidizer hazard class 5.1 (UN 1479); purity via HPLC

• Avoid Chapter 28 classification error

Pyridine N-Oxide from China — Import Duty Rate | HTS 2933.39.92.00