4-Chloro-o-Toluidine from Mexico
4-Chloro-o-toluidine is a halogenated toluidine derivative used in azo pigment synthesis. Classified in HTS 2921.43.90 as Chapter Notes confirm halogenated derivatives remain with parent amine classification. The dual substitution maintains toluidine identity.
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
• Document halogen position via NMR; ortho/para isomers have different toxicity profiles
• Confirm <1ppm heavy metals; pigment intermediates face stricter EPA limits
• Use secondary containment packaging due to lachrymatory properties