Benzenesulfonamide from Canada
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 — Canada → United States
6.5%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 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