Sodium 1-Naphthol-4-Sulfonate from Mexico
This is the sodium salt of 1-naphthol-4-sulfonic acid, classified as 'other' naphthols and their salts in HTS 2907.15.60.00 per chapter note 3(C)(1). It functions as a diazo dye coupling component in textile coloration.
Duty Rate — Mexico → United States
15.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Submit salt formation documentation proving classification follows the parent naphthol acid per chapter note 3(C)
• Verify no metal coordination bonds that would require classification under later headings