Menadione (Vitamin K3) from Canada
Menadione, a synthetic naphthoquinone, functions as a photographic chemical in electron transfer agents for instant film development processes. Classified in HTS 2914.69.1000 for quinones used in photography.
Duty Rate — Canada → United States
15.5%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include technical data sheets confirming <1% impurities; register under TSCA if new use
• Pitfall: Bulk powder may require child-resistant packaging