DMF for Polyacrylonitrile Fiber Production
Specialty DMF used in the solvent-spinning process for acrylic fibers offers high solvency for polymers. It is the chemically defined compound dimethylformamide, classified under this tariff item. The product's end-use in fiber production does not affect its classification as a pure acyclic amide.
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 |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the DMF is mixed with other solvents for the spinning process
Solvent mixtures are classified under other subheadings.
If the product is a formulated spinning solvent
Formulated solvent systems are classified under heading 38.24.
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 DMF purity meets the specifications for solvent-spinning processes
• Declare the intended use on customs documentation to facilitate clearance
• Verify if the product requires an environmental permit under the Canadian Environmental Protection Act for industrial use
Related Products under Tariff item 2924.19.00
Acetamide
Acetamide is a simple acyclic amide derived from acetic acid, with the chemical formula CH3CONH2. It is used as a solvent, plasticizer, and in organic synthesis. As a separate chemically defined organic compound, it falls under tariff item 2924.19.00 for other acyclic amides.
Acetamide Sodium Salt
Sodium acetamide is the sodium salt of acetamide, used in organic reactions and buffers. Per Chapter 29 note 5(C)(1), inorganic salts of organic compounds are classified with the organic compound, so it falls under tariff item 2924.19.00.
Acrylamide
Acrylamide (CH2=CHCONH2), an acyclic amide monomer used for polyacrylamide production. It is a separate chemically defined organic compound, classified under 2924.19.00 as an 'Other' acyclic amide.
Acrylamide Flake Form Stabilized
Acrylamide in flake form with a polymerization inhibitor (e.g., copper sulfate <0.1%) is a chemically defined acyclic amide. The stabilizer is permitted under Chapter 29 note 1(f) as necessary for transport, so it falls under tariff item 2924.19.00.
Acrylamide Monomer
Acrylamide monomer (CH2=CHCONH2) is a chemically defined acyclic amide used primarily as a monomer in polymerization reactions. It falls under tariff item 2924.19.00 as an other acyclic amide.
Acrylamide with MEHQ Inhibitor
Acrylamide with 30-50 ppm MEHQ (4-methoxyphenol) as a polymerization inhibitor is a chemically defined acyclic amide. The stabilizer is allowed under Chapter 29 note 1(f), so it falls under tariff item 2924.19.00.