Alizarin from Canada
Alizarin is a red anthraquinone derivative containing aromatic lactone functionality used in pharmaceutical staining. Falls under HTS 2932.20.20.00 as aromatic oxygen-heterocycle with drug applications in histology. Historically significant as first synthetic dye with medicinal uses.
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
• Reference USP monograph for histological stains; include spectral data (λmax 425nm)
• Distinguish from textile dye grade; declare pharmaceutical purity grade only
• Batch testing for heavy metals essential as anthraquinones bioaccumulate