Nitrobenzene Sulfonic Acid (dry) from Germany
Dry nitrobenzene sulfonic acid contains both nitro and sulfonic groups on aromatic ring but classifies under HTS 2904.20.4500 by chapter note prioritizing last numerical heading for compound derivatives. Used in dye manufacturing.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Specify dry form (<5% water) to avoid solution classification under note 1(d)
• Corrosive solid packaging (UN 1778) with pH <2 declaration
• Include sulfonation position confirmation for customs review