N-Methyl-2-Pyrrolidone Stabilized from Mexico
N-Methyl-2-pyrrolidone (NMP) is a methylated lactam used as solvent in battery production and paint strippers, here with anti-oxidant stabilizer. Classified HTS 2933.79.85.00 as other lactams (distinct from unsubstituted 2933.79.29). Stabilizer permitted per chapter note (f) for preservation.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Provide stabilizer certificate confirming <1% addition solely for oxidation prevention per chapter notes
• Comply with EPA NMP risk management rules; maintain shipping records proving general chemical use
• Differentiate from unsubstituted 2-pyrrolidone via GC-MS confirming N-methyl substitution