Vinylpyridine Polymer Monomer from Canada
4-Vinylpyridine monomer contains an unfused pyridine ring and serves as raw material for ion-exchange resins and adhesives. HTS 2933.39.61 covers it via additional U.S. note 3 to section VI for regulated pyridines. Inhibitor-stabilized for polymerization control.
Duty Rate — Canada → United States
16.5%
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 polymerization inhibitor certificate (MEHQ typically) and shelf-life data
• Ship under nitrogen blanket; declare as UN1992 flammable liquid
• TSCA notification required for new polymer manufacturing