Fluorenylideneaniline from Mexico
Fluorenylideneaniline is a sterically hindered aromatic imine used in organocatalyst development. It classifies under HTS 2925.29.60.00 as an aromatic imine derivative meeting all Chapter 29 organic compound criteria.
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
• Verify no metal coordination; classify as free base not organometallic
• Provide melting point (142°C) confirmation matching authentic reference
• Declare research chemical status for potential duty exemption review