Distilled N-Vinyl-2-Pyrrolidone Monomer
Vacuum-distilled N-vinyl-2-pyrrolidone (NVP) monomer with water content below 0.1% is a pure heterocyclic lactam. It is used for high-end PVP production in contact lenses and biomedical applications, and falls under this tariff item as a named compound.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the NVP is polymerized
Polyvinylpyrrolidone polymers are classified in Chapter 39.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Ensure the monomer is not polymerized; if it is, it may fall under Chapter 39
• The low water content is acceptable under Chapter 29 note (d)
• Keep distillation records to prove purity if the CBSA requests them
Related Products under Tariff item 2933.79.00
1,8-Naphthalimide
1,8-Naphthalimide is an aromatic lactam with a fused naphthalene ring system and a nitrogen-containing imide group. It is used in fluorescent dyes and classified under 'Other lactams'.
1-Methyl-2-pyrrolidinone (NMP)
1-Methyl-2-pyrrolidinone (NMP) is a five-membered lactam ring compound with a nitrogen hetero-atom and a methyl group on the nitrogen. It is a separate chemically defined organic compound, classified under tariff item 2933.79.00 as 'Other lactams' because it is not specifically enumerated elsewhere in the heading.
2-Pyrrolidone (2-Pyrrolidinone)
2-Pyrrolidone (2-Pyrrolidinone) is a five-membered lactam ring compound with a single nitrogen hetero-atom. It serves as a chemical intermediate for synthesizing pharmaceuticals and agrochemicals, classified under 'Other lactams'.
2-Pyrrolidone Aromatic Ester
2-Pyrrolidone Aromatic Ester is an ester derivative of 2-pyrrolidone with aromatic modification, used in pharmaceutical formulations. As a separate chemically defined lactam compound, it is classified under tariff item 2933.79.00 for 'Other lactams'.
2-Pyrrolidone Polymer Intermediate
Bulk 2-pyrrolidone, a five-membered heterocyclic lactam, is a chemically defined organic compound used as an intermediate in the synthesis of polyvinylpyrrolidone (PVP). Its role as a chemical intermediate does not alter its classification as an enumerated lactam under this tariff item.
6-Acetamidohexanoic Acid
6-Acetamidohexanoic acid is a chemically defined organic compound featuring a lactam ring structure with a nitrogen hetero-atom. It is used as an intermediate in the synthesis of pharmaceuticals and falls under the 'Other lactams' tariff item.