Ammonium Nitrite Stabilized from Japan
Ammonium nitrite (NH4NO2), stabilized to prevent decomposition, is used in gas-generating systems and lab applications. Falls under HTS 2834.10.5000 as 'other' nitrites including ammonium salts per heading 2826-2842 note, provided stabilization is inorganic. Excludes organic-stabilized forms in 2831.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Document stabilizer type to confirm inorganic status; handle as UN 2481 hazardous
• Monitor thermal stability certificates
• Avoid moisture to prevent runaway decomposition