Vinylpyridine Polymer Monomer from Mexico
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 — Mexico → United States
6.5%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 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