1-Methyl-2-pyrrolidinone (NMP)
1-Methyl-2-pyrrolidinone (NMP) is a modified aromatic lactam solvent used in electronics and polymer manufacturing. Classified in HTS 2933.79.08.00 due to its nitrogen heterocyclic lactam structure and inclusion in U.S. note 3 for environmental/safety-regulated compounds.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If considered other pyridine derivative
Pyrrolidinone ring may classify under pyridine compounds if lactam function secondary.
If when imported as formulated cleaning solvent
Mixtures for specific cleaning uses fall under prepared chemical preparations in Chapter 38.
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The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Include TSCA certification and safety data sheets; NMP subject to EPA import notifications
• Declare exact concentration if in solution; pure form must match note 3 specifications
• Avoid bulk packaging over limits; stabilizers must not alter general-use classification
Related Products under HTS 2933.79.08.00
6-Acetamidohexanoic Acid
6-Acetamidohexanoic acid is an aromatic-modified lactam derivative used as a chemical intermediate in pharmaceutical synthesis. It falls under HTS 2933.79.08.00 as a heterocyclic compound with nitrogen hetero-atom in lactam form, specifically listed in additional U.S. note 3 to section VI for certain regulated organic compounds.
Caprolactam Modified with Aromatic Groups
Aromatic-modified caprolactam serves as an intermediate for nylon-6 production with enhanced properties. It qualifies for HTS 2933.79.08.00 as an other aromatic lactam under U.S. note 3, featuring nitrogen hetero-atom in heterocyclic ring.
N-Phenyl-2-Pyrrolidone
N-Phenyl-2-pyrrolidone is an aromatic lactam used in dye synthesis and pharmaceuticals. Its classification under HTS 2933.79.08.00 stems from the aromatic substitution on the lactam nitrogen hetero-ring, as specified in note 3.
Epsilon-Caprolactam Aromatic Derivative
This epsilon-caprolactam derivative with aromatic modification acts as a stabilizer in polymer processing. HTS 2933.79.08.00 applies per chapter notes for other aromatic lactams listed in U.S. note 3.
Quinolactam Derivative
Quinolactam derivative represents fused aromatic lactams used in medicinal chemistry. Classified in HTS 2933.79.08.00 for other aromatic lactams under U.S. note 3.
N-Acetyl-2-Pyrrolidone
N-Acetyl-2-pyrrolidone is a chemically defined acetylated aromatic lactam for solvent applications. HTS 2933.79.08.00 per chapter note (a) and U.S. note 3 listing.