C.I. Fast Red Base B from Canada

C.I. Fast Red Base B is a sulfonamide-derived diazo component used in the production of azo dyes for textile coloration. It functions as a fast color base that couples with naphthol salts to produce vibrant, lightfast red shades on cotton fabrics. Classified under HTS 2935.90.20.00 as a fast color base within the sulfonamides category per Chapter 29 notes.

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

Verify purity certificates to confirm chemical identity as per Chapter 29 note (a); ensure packaging prevents moisture absorption which affects reactivity; declare as dye intermediate not finished coloring matter to avoid Chapter 32 reclassification

C.I. Fast Red Base B from Canada — Import Duty Rate | HTS 2935.90.20.00