5-Amino-2-(phenylamino)benzenesulfonic Acid Naphthylamide from Mexico
This complex naphthylamide derivative of naphthylamine serves in high-performance dye synthesis. Classified under HTS 2921.45.90.90 as an unspecified naphthylamine derivative, it qualifies via the core aromatic amine structure. Chapter 29 notes confirm inclusion despite amide and sulfonic modifications.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Complex structure requires binding ruling application for consistent classification
• Verify molecular weight and formula match; amides can blur into Chapter 29 later headings
• Import under temporary codes if new derivative; seek advance CBP classification