o-Toluidine Sulfate from Mexico
o-Toluidine sulfate is the sulfuric acid salt of 2-methylaniline, used primarily as an intermediate in dye manufacturing. Classified under HTS 2921.43.4000 as a toluidine derivative salt per additional U.S. note 3 to section VI, ensuring control over these regulated aromatic amines.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Confirm quota availability under note 3 before shipping; excess requires alternative classification
• Include CAS number (614-00-6 for base) and salt confirmation in commercial invoice
• Label as hazardous material if meeting DOT criteria for amine salts to avoid customs delays