5-Amino-o-Cresidine from Mexico
5-Amino-o-cresidine (5-amino-2-methoxy-toluidine) combines toluidine with methoxy substitution for reactive dye synthesis. Principal toluidine amine-function governs HTS 2921.43.90 classification; methoxy ether secondary per Chapter Note oxygen-function restrictions.
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
• NMR confirmation of 2-methoxy-5-amino positions; isomers classify differently
• Amination degree specification prevents polyamine misclassification
• Reactive dye manufacturers provide binding opinions supporting Chapter 29