2,5-Dimethoxysulfanilanilide from United States
2,5-Dimethoxysulfanilanilide is a methoxylated sulfonanilide derivative, a chemically defined organic compound with sulfonamide functionality. Used in dye chemistry, it falls under tariff item 2935.90.00 as a sulfonamide not elsewhere specified.
Duty Rate — United States → Canada
0%
Import Tips
• Verify the chemical structure and purity to confirm classification under Chapter 29
• If used as a dye intermediate, check if it falls under Chapter 32 exclusions for colouring matter