2918.21Salicylic acid and its salts
Also written 291821
HTS Code 2918.21 covers any article best defined as Products of the Chemical or Allied IndustriesOrganic chemicalsCarboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulfonated, nitrated or nitrosated derivatives:Carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives:Salicylic acid and its salts: in the Harmonized Tariff Schedule — covering 2 sub-classifications.
Tariff updates
Recent US tariff actions that name 2918.21 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 2918.21.
Related CROSS Rulings for HTS 2918.21
CBP classification rulings related to 2918.21. Open a ruling to read how Customs classified a similar product.
Suitable for medicinal use; HRL 952892; HRL 086920; salicylic acid; U.S.P. grade
What does HTS code 2918.21 cover?
HTS code 2918.21 covers salicylic acid and its salts (Salicylic acid and its salts:), classified under Chapter 29 (Organic chemicals) in the US Harmonized Tariff Schedule. There are 2 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.