2921.59Aromatic polyamines and their derivatives
Also written 292159
HTS Code 2921.59 covers any article best defined as Products of the Chemical or Allied IndustriesOrganic chemicalsAmine-function compoundsAromatic polyamines and their derivatives; salts thereof:Other: in the Harmonized Tariff Schedule — covering 7 sub-classifications.
Tariff updates
Recent US tariff actions that name 2921.59 or its heading.
- Oct 16, 2026 · CBP guidanceCBP issues HSU 2625 with Section 232 pharmaceutical updates and CPSC flag changes
- Dec 18, 2025 · PublishedUS cuts reciprocal tariff on Swiss and Liechtenstein goods to 15% all-in, exempts certain products
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Relevant HTS Notes
Official USITC notes that may affect classification under HTS 2921.59.
Related CROSS Rulings for HTS 2921.59
CBP classification rulings related to 2921.59. Open a ruling to read how Customs classified a similar product.
N, N’-Diphenylbenzidine, CAS 531-91-9; NY F81398
What does HTS code 2921.59 cover?
HTS code 2921.59 covers aromatic polyamines and their derivatives (Other:), classified under Chapter 29 (Organic chemicals) in the US Harmonized Tariff Schedule. There are 7 more specific sub-classifications under this code.
Primary Sources
The official documents behind the rates and tariffs on this page. Duties are worked out from them; check the legal text before you file.