6-Chloro-2-Toluidine-4-Sulfonic Acid from Canada
This trifunctional toluidine derivative bears chloro at position 6, amino at 2, methyl at 2-position, and sulfonic acid at 4. Explicitly named in HTS 2921.43.08.00, it's used in water-soluble dye manufacturing.
Duty Rate — Canada → United States
15.8%
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 titration data confirming sulfonic acid content and free acid form (not salt)
• Include stability data as sulfonic acids are prone to decomposition during transport
• Label clearly to distinguish from non-sulfonated toluidines avoiding misclassification