Hexamethylenediamine Phosphate
Hexamethylenediamine Phosphate is a phosphate salt derivative used in flame retardant formulations and polymer modifiers. It is classified under tariff item 2921.22.00 as a salt of hexamethylenediamine, as the heading covers all salts of this 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 |
More Specific Codes
This product may fall under a more specific subheading:
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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
• Confirm the product is a defined salt of hexamethylenediamine, not a mixture
• Provide the chemical composition and use on the safety data sheet
• If the product is used in flame retardants, ensure it is not put up for retail sale, which could trigger Section VI Note 2
Related Products under Tariff item 2921.22.00
AH Salt for Nylon Production
AH Salt, also known as hexamethylenediamine adipate, is the 1:1 salt formed from hexamethylenediamine and adipic acid. It is the direct monomer salt used in the production of Nylon 6,6 resins and falls under tariff item 2921.22.00 as a salt of hexamethylenediamine.
Hexamethylenediamine Adipate (Nylon Salt)
Hexamethylenediamine adipate, commonly called Nylon salt, is the salt formed from hexamethylenediamine and adipic acid. It is the direct precursor for Nylon 6,6 polymer and is classified under tariff item 2921.22.00 as a salt of hexamethylenediamine.
Hexamethylenediamine Adipate Salt
Hexamethylenediamine Adipate Salt is a 1:1 salt formed from hexamethylenediamine and adipic acid. It is classified under tariff item 2921.22.00 as a salt of hexamethylenediamine, regardless of the acid component, since the heading covers the amine salt.
Hexamethylenediamine Adipic Acid Monosalt
Hexamethylenediamine Adipic Acid Monosalt is a partial neutralization product (1:0.5 molar ratio) of hexamethylenediamine with adipic acid, used in specialty polymer modifiers. It is classified under tariff item 2921.22.00 as a salt of hexamethylenediamine, as the heading covers all salts of this amine.
Hexamethylenediamine Hydrochloride
Hexamethylenediamine Hydrochloride is the hydrochloride salt of hexamethylenediamine, a white crystalline powder used in organic synthesis. It is classified under tariff item 2921.22.00 as a salt of hexamethylenediamine, as the heading covers all salts of this acyclic polyamine.
Hexamethylenediamine Monoacetate
Hexamethylenediamine Monoacetate is the monoacetic acid salt of hexamethylenediamine, used in textile finishing agents. It is classified under tariff item 2921.22.00 as a salt of hexamethylenediamine, as the heading covers all salts of this acyclic polyamine.