3-Chloro-o-toluidine Hydrochloride Salt from Mexico
The hydrochloride salt of 3-chloro-o-toluidine is classified under HTS 2921.43.04.00 per Chapter 29 note on salts of amine-function compounds. This stable salt form improves handling and solubility for industrial dye synthesis applications. It retains the core aromatic monoamine characteristic of the parent toluidine derivative.
Duty Rate — Mexico → United States
10%
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
• Declare exact salt form and counterion ratio; pH testing confirms complete protonation
• Label as corrosive if aqueous solution; use UN-approved packaging for acid salts
• Monitor for free base content under 5% to maintain classification as salt