Benzenesulfonamide from China
Benzenesulfonamide is a chemically defined organic compound featuring a sulfonamide functional group directly attached to a benzene ring. It falls under HTS 2935.90.10.00 as a specific sulfonamide listed in the tariff description for Chapter 29, which covers separate chemically defined organic compounds. Primarily used as an intermediate in pharmaceutical and dye synthesis.
Duty Rate — China → United States
112.5%
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
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide detailed chemical analysis certificates confirming purity and structure to verify classification under 2935.90.10.00
• Ensure SDS (Safety Data Sheets) comply with HAZMAT regulations as sulfonamides may require special handling
• Avoid misclassification as general sulfonated derivatives by documenting specific chemical identity matching tariff listing