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Congo Red Direct Dye from Canada

Congo Red (Direct Red 28) is the classic diazo direct dye used for cotton dyeing and as a pH indicator in labs. It qualifies under HTS 3204.14.50.00 as synthetic organic direct coloring matter per chapter note 3. Famous for its red-to-blue color change in acidic conditions.

Duty Rate — Canada → United States

16.5%

Rate breakdown

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

Import Tips

Include historical C.I. number (22120) and application method in commercial invoice

Note potential carcinogen classification requiring special handling documentation

Prevent reclassification as pigment preparation (3206) by proving water-soluble dye form

Congo Red Direct Dye from Canada — Import Duty Rate | HTS 3204.14.50.00