NVP Monomer with MEHQ Inhibitor
N-vinyl-2-pyrrolidone monomer inhibited with monomethyl ether hydroquinone (MEHQ) at 250 ppm for stability in adhesive and coating applications. The inhibitor is added for preservation, which is permitted under Chapter 29 note (f).
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 inhibitor renders the product suitable for a specific use
Additions that make the product particularly suitable for a specific use may exclude it from Chapter 29.
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
• The MEHQ inhibitor must be present solely for preservation or transport; if it serves another function, classification may change
• Document the inhibitor concentration (250 ppm) on the invoice
• Ensure the inhibitor does not make the product suitable for a specific use
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.