Synthetic Naphthalene Sulfonic Acid Tanning Agent from Mexico
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 — Mexico → United States
15%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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