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2935.90.20.00/C.I. Fast Blue Base RR/Canada

C.I. Fast Blue Base RR from Canada

C.I. Fast Blue Base RR is a sulfonamide fast color base used to produce brilliant blue shades in azo dyeing processes for cellulosic fibers. It diazotizes readily and couples efficiently with beta-naphthol for wash-fast colorations. Falls under HTS 2935.90.20.00 as specified fast color salt/base of sulfonamides.

Duty Rate — Canada → United States

16.5%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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Import Tips

• Provide manufacturer's chemical structure data for Customs verification; store in cool, dry conditions to maintain diazotization capability; avoid bulk packaging over 25kg without stabilizers per safety transport note (f)