1,8-Naphthalimide from Mexico
A fused-ring aromatic imide used in fluorescent dyes and optical brighteners. HTS 2925.19.42.00 as 'other' aromatic imide. Polycyclic aromatic structure qualifies under heading 2925 aromatic provision.
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
• Fluorescence quantum yield specs required; light-sensitive packaging validation; dye intermediate declaration prevents 3204 classification