5-Amino-2-(phenylamino)benzenesulfonic Acid Naphthylamide from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 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