5-Amino-α,α,α-trifluorotoluene-2,4-disulfonamide from Mexico
A fluorinated disulfonamide specifically listed in HTS 2935.90.10.00, containing trifluoromethyl group and dual sulfonamide functionalities. Qualifies under Chapter 29 as chemically defined sulfonamide per tariff description. Used in agrochemical and pharmaceutical synthesis.
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
• Fluorinated compound declarations required for EPA pre-manufacture notice compliance
• High purity certificate (>98%) essential to maintain 'separate compound' classification
• Temperature-controlled shipping documentation for thermally unstable sulfonamides