1,4-Diaminoanthraquinone from Canada
Diamino substitution on anthraquinone maintains quinone classification under HTS 2914.61.00.00 despite nitrogen functions. Used in reactive blue dye synthesis.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Amino group quantification via Kjeldahl nitrogen analysis required
• Dark purple color characteristic; colorimetry supports identity
• Prevent oxidation during storage affecting purity specs