Pyrithione Zinc (Zinc Pyrithione) from Canada
Zinc pyrithione is an organo-zinc coordination compound with pyridine-thione structure, used as antifungal in shampoos. The organic pyridine component qualifies it for HTS 2933.39.61 under additional U.S. note 3 to section VI. Bulk active for personal care products.
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
• Comply with FDA OTC monograph for dandruff actives; include concentration verification
• Test for heavy metals (<20ppm zinc solubility) per cosmetic GMP standards
• Use aqueous suspensions for shipping to minimize dust explosion risks