6-Chloro-2-Toluidine-4-Sulfonic Acid from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 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