Nitromethane from Mexico
Nitromethane (CH3NO2) features a nitro group (-NO2) attached to methane but classified under HTS 2929.90.50.95 per chapter note excluding nitro groups from heading 2929 definition for nitrogen-functions. Used in fuels and explosives.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6093.5%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• UN 1268 flammable liquid; ATF permit may be required for explosive precursor status
• Purity >99% required for Chapter 29; technical grades go to 3824
• Distinguish from nitrobenzene (2904.20) by aliphatic vs aromatic nature