Industrial Naphthalene-1,3,6,7-Trisulfonic Acid Blend from Mexico
Industrial-grade 50/50 blend of 1,3,6- and 1,3,7-naphthalenetrisulfonic acids for synthetic dye production. Classifies under HTS 2904.10.15.00 as the explicitly named mixture of these sulfonated hydrocarbon derivatives.
Duty Rate — Mexico → United States
15.5%
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
• Maintain batch records showing isomer ratio consistency to support specific HTS over basket codes
• Include GHS safety data sheets translated to English for CBP review