6-Nitrotoluene-3-sulfonic acid from Mexico
6-Nitrotoluene-3-sulfonic acid is the ortho-nitrated, meta-sulfonated toluene isomer, a separate chemically defined compound under HTS 2904.99.20.00. Fits Chapter 29 for nitrotoluenesulfonic acids, excluded from dyes or mixtures. Intermediate for acid dyes and optical brighteners.
Duty Rate — Mexico → United States
15.5%
Rate breakdown
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
• Label as 'corrosive' UN 3265; test pH to confirm handling class
• For lab quantities (<1kg), use retail packing exemption but still need COA
• Avoid declaring as 'dye intermediate' vaguely; specify chemical name to prevent 3204 shift