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.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China6.5%+25.0%31.5%
🇲🇽Mexico6.5%6.5%
🇨🇦Canada6.5%6.5%
🇩🇪Germany6.5%6.5%
🇯🇵Japan6.5%6.5%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

3812Lower: 15% vs 31.5%

If when supplied as polymer additive mixture

Prepared rubber/plastic additives classify in Chapter 38 if compounded.

2933.69.60Lower: 11% vs 31.5%

If for non-lactam morpholine derivatives

Ring expansion changes heterocyclic classification within Chapter 29.

Not sure which classification is right?

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Import Tips & Compliance

Certify stabilizer addition complies with chapter note (g) for identification only

Use UN-approved packaging for corrosive lactams; declare pH if applicable

Pre-clear with CBP for note 3 verification to prevent port delays

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.

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.

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.

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.