1-(Phenylamino)naphthalin-8-sulfonic Acid from Japan
This N-phenyl substituted peri acid derivative serves in acid dye manufacture. Falls under HTS 2921.45.90 as 'other' 1-Naphthylamine derivative per amine-function classification rules. Dual functionality but retains Chapter 29 status.
Duty Rate — Japan → 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 name requires IUPAC documentation; provide structural formula
• Molecular weight 319.37g/mol aids verification; include assay results
• Special handling for potential skin sensitizer per SDS