4-Aminodiphenylamine from Mexico
A diphenylamine derivative with one amino-substituted phenyl ring, classified as aniline derivative under HTS 2921.42.90.00. Used in rubber curing agents and dye intermediates.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6093.5%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
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
• Dark brown viscous liquid requires heated tankers for transport
• Impurity profile critical; >1% diphenylamine may trigger mixture classification
• DOT special permit may be required for bulk liquid shipments