Hexamethylenediamine
Hexamethylenediamine is a straight-chain acyclic diamine with two primary amine groups at each end of a six-carbon chain. It is a key monomer in nylon-6,6 production and falls under this tariff item as an other acyclic polyamine.
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 product is hexamethylenediamine
Hexamethylenediamine is specifically named in heading 2921.22.
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 product is properly identified as hexamethylenediamine on the commercial invoice
• Verify the purity and melting point on the certificate of analysis
• Check if the product requires any permits under the Canadian Environmental Protection Act
Related Products under Tariff item 2921.29.00
1,2-Propylenediamine
1,2-Propylenediamine is a vicinal diamine with two primary amine groups on a three-carbon chain. As an acyclic polyamine not specifically named in other headings, it is classified under this tariff item for other acyclic polyamines.
1,3-Diaminopropane
1,3-Diaminopropane is a linear acyclic diamine with two primary amine groups separated by three methylene units. It is used in curing agents and cross-linking applications and falls under this tariff item as an other acyclic polyamine.
1,6-Diaminohexane Dihydrochloride
1,6-Diaminohexane dihydrochloride is the hydrochloride salt of 1,6-diaminohexane, an acyclic diamine. Per Chapter 29 Note 5(C)(1), inorganic salts of organic compounds are classified with the parent organic compound, placing this salt under this tariff item.
Bis(hexamethylene)triamine
Bis(hexamethylene)triamine is a long-chain acyclic triamine with three amine groups connected by hexamethylene bridges. It is used in high-performance polyamides and falls under this tariff item as an other acyclic polyamine.
Cadaverine Hydrochloride
Cadaverine hydrochloride, the salt of 1,5-diaminopentane, is an acyclic polyamine derivative classified under tariff item 2921.29.00 per Chapter 29 salt classification rules. It is used in biochemical research and as a chemical intermediate.
DETA Flake Form Stabilized
Stabilized diethylenetriamine in flake form with an anti-oxidant additive remains classified under tariff item 2921.29.00 as the stabilizer is necessary for preservation per Chapter 29, Note 1(f). It is used in epoxy resin curing systems.