C.I. Base Red GL from United States
C.I. Base Red GL is a sulfonamide fast color base used to produce crimson shades through coupling with 2-naphthol-6-sulfonic acid in pigment printing. It is a chemically defined organic compound with a sulfonamide group, falling under sulphonamides of heading 29.35. The sulfonamide structure ensures rapid diazotization.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the product is not put up as a dye preparation, which would shift to heading 32.04
• Verify the chemical structure for classification
• Check if the product is subject to Canadian chemical regulations