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'.
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 product is used as a synthetic organic colouring matter
Synthetic colouring matters are classified in heading 3204, not as lactams.
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
• Verify that the product is not a synthetic organic colouring matter of heading 3204, which would take precedence
• Provide the chemical structure and end-use information to CBSA
• Ensure the product is not put up in forms for retail sale
Related Products under Tariff item 2933.79.00
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.
Caprolactam Modified with Aromatic Groups
Caprolactam modified with aromatic groups is a lactam derivative used as an intermediate in the production of specialty nylon-6 with enhanced properties. It contains a nitrogen hetero-atom in a cyclic amide structure, qualifying it under 'Other lactams'.