2931Organo-inorganic compounds
HTS Code 2931 covers any article best defined as Products of the Chemical or Allied IndustriesOrganic chemicalsOther organo-inorganic compounds: in the Harmonized Tariff Schedule — covering 17 sub-classifications.
Tariff updates
Recent US tariff actions that name 2931 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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New tariff action affects 1 of your imports
If a new 10% tariff were added
Relevant HTS Notes
Official USITC notes that may affect classification under HTS 2931.
Search CROSS Rulings for HTS 2931
See how Customs classified similar products. CBP's CROSS database holds the classification rulings that cite 2931.
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What does HTS code 2931 cover?
HTS code 2931 covers organo-inorganic compounds (Other organo-inorganic compounds:), classified under Chapter 29 (Organic chemicals) in the US Harmonized Tariff Schedule. There are 17 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.