1,8-Naphthalenediamine Flake Form
Flake-form 1,8-naphthalenediamine is a solid aromatic polyamine used in pharmaceutical intermediates and polymers. It is classified under tariff item 2921.59.00 as an 'other' aromatic polyamine, regardless of physical form, as long as it is chemically defined.
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 |
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
• Declare the physical form (flake) and purity on customs documents
• Ensure the flake form does not contain additives that alter classification
• Verify the product is not a salt or mixture excluded from this heading
Related Products under Tariff item 2921.59.00
1,4-Diaminobenzene-2-Sulfonic Acid
1,4-Diaminobenzene-2-sulfonic acid is an aromatic diamine with a sulfonic acid substituent, used as a building block for azo dyes and pharmaceutical intermediates. It is classified under tariff item 2921.59.00 as an 'other' aromatic polyamine.
1,8-Diaminonaphthalene Technical Grade
1,8-Diaminonaphthalene technical grade is a chemically defined aromatic polyamine used in polymer and dye manufacturing. It falls under tariff item 2921.59.00 as an 'other' aromatic polyamine derivative, not specifically named elsewhere in the subheading.
1,8-Diaminonaphthalene with Stabilizer
Stabilized 1,8-diaminonaphthalene includes anticaking agents necessary for preservation during transport, as permitted by Chapter 29 Note 1(f). It remains a chemically defined aromatic polyamine and is classified under tariff item 2921.59.00 as an 'other' derivative.
1,8-Naphthalenediamine
1,8-Naphthalenediamine, also known as 1,8-diaminonaphthalene, is a chemically defined aromatic polyamine with the molecular formula C10H12N2. It is classified under tariff item 2921.59.00 as an 'other' aromatic polyamine, not specifically named elsewhere.
2,2'-Dichlorobenzidine
2,2'-Dichlorobenzidine is a halogenated aromatic polyamine used in azo pigment manufacturing. It is a chemically defined organic compound with two chlorine atoms on a benzidine core. As a halogenated derivative of an aromatic polyamine, it is classified under tariff item 2921.59.00.
2,4,6-Trichloro-1,3-diaminobenzene
2,4,6-Trichloro-1,3-diaminobenzene is a highly chlorinated aromatic polyamine used as an intermediate in specialty herbicides and dye production. Its amine-function groups and aromatic structure place it under tariff item 2921.59.00 for other aromatic polyamines and their derivatives.