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2935.90.20.00/C.I. Fast Red Base B/China

C.I. Fast Red Base B from China

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 — China → United States

19%

Rate breakdown

9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
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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 China — Import Duty Rate | HTS 2935.90.20.00