2-Chloro-p-toluidine-5-sulfonic acid from Canada
A chemically defined aromatic monoamine derivative featuring a toluidine base with chloro and sulfonic acid substituents, classified under HTS 2921.43.90.20 per CAS No. 88-51-7. It serves as a key intermediate in synthesizing azo dyes and pigments due to its reactive amine and sulfonic groups.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Verify CAS No. 88-51-7 on all documentation and COA to match exact HTS specificity; ensure proper hazardous material labeling as it's a sulfonic acid
• Conduct fiber content analysis if used in dye blends to avoid reclassification