Dimethylformamide (DMF) 99.9% Pure
Dimethylformamide (DMF), chemically N,N-dimethylformamide (CAS 68-12-2), is a colorless liquid amide used as a versatile aprotic solvent in chemical reactions and polymer processing. It is a separate chemically defined acyclic amide, classified under this tariff item. The product meets Chapter 29 Note 1(a) as a distinct organic 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 |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the DMF is part of a mixture with other amides
Pure DMF is classified under 2924.19, but mixtures fall under other subheadings.
If the product is a formulated solvent with other components
Formulated solvent blends 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
• Provide the CAS number (68-12-2) and purity percentage on the commercial invoice
• Ensure the DMF is not mixed with other solvents or additives that would change classification
• Verify if the product requires a Transportation of Dangerous Goods (TDG) declaration for shipping
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.