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HTS lookup › Chapter 29 › Heading 2918

HTS 2918.13 (2918.13.00) duty rate

2918.13.00 is not a rated tariff line. Subheading 2918.13 (Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulfonated, nitrated or nitrosated derivatives › Carboxylic acids with alcohol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids a) is split into 4 tariff lines, and the duty rate depends on which one your product falls under:

LineDescriptionGeneralSection 301 (China)Exclusions
2918.13.10Potassium antimony tartrate (Tartar emetic)FreeList 3 +25%
2918.13.20Potassium bitartrate (Cream of tartar)FreeList 3 +25%
2918.13.30Potassium sodium tartrate (Rochelle salts)FreeList 3 +25%
2918.13.50Salts and esters of tartaric acid: Other4.4%List 3 +25%

Open the line that matches your product for its full rate table, Section 301 actions, exclusions, statistical suffixes and a free duty calculator.

Official USITC HTS, 2026HTSRev22 · check on hts.usitc.gov

Subheading 2918.13 at a glance

Heading 2918 · Chapter 29 · HTS lookup

General information from the official US Harmonized Tariff Schedule (USITC); not legal or customs advice. Classification is decided by CBP.

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