Synthetic Naphthalene Sulfonic Acid Tanning Agent from Canada
This synthetic organic tanning substance based on naphthalene sulfonic acid provides retannage and fatliquoring in leather processing. It qualifies for HTS 3202.90.50.00 as other synthetic organic tanning preparations.
Duty Rate — Canada → United States
15%
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
• Provide formulation details showing tanning functionality to distinguish from general sulfonated organics
• Test for biodegradability compliance with wastewater regulations
• Avoid bulk packaging that could lead to classification as industrial chemicals