NVP Monomer with MEHQ Inhibitor from Japan
N-Vinyl-2-pyrrolidone monomer inhibited with monomethyl ether hydroquinone (MEHQ) at 250 ppm for stability in adhesive and coating applications. Qualifies under Chapter 29 note (f) as preserved heterocycle lactam. Specific HTS 2933.79.30.00 designation applies.
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
• Specify inhibitor type and ppm in commercial invoice; mismatches lead to 3824 reclassification
• Monitor for peroxide formation; include test methods in documentation
• Use nitrogen-blanketed drums for import to maintain inhibitor efficacy