5-Nitroisophthalic Acid from Mexico
5-Nitroisophthalic acid is a di-carboxylic acid with meta-nitro substitution on benzene, classified under HTS 2929.90.15.00 as aromatic nitrogen-function per note 3. Used in polyester and dye synthesis.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Acid value and nitro content assays required; corrosion-resistant packaging; check salt forms under note on inorganic salts