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Alizarin from Mexico

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 — Mexico → United States

16.5%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

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