Vinylpyridine Polymer Monomer from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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