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Nitrogen Dioxide (Anhydrous) from China

Anhydrous nitrogen dioxide (NO₂), a reddish-brown gas, used in nitration processes and as rocket propellant oxidizer. As an inorganic oxygen compound of nonmetal nitrogen, classified HTS 2811.29.5000. Supplied in cylinders.

Duty Rate — China → United States

41.2%

Rate breakdown

9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

Import Tips

UN 1660; requires DOT special permit for cylinders

Purity >99.5% certification vs. nitric acid mixtures

Temperature control prevents dimerization to N₂O₄