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HTS lookup › Chapter 29 › Heading 2918

HTS 2918.99 (2918.99.00) duty rate

2918.99.00 is not a rated tariff line. Subheading 2918.99 (Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulfonated, nitrated or nitrosated derivatives › Other › Other) is split into 10 tariff lines, and the duty rate depends on which one your product falls under:

LineDescriptionGeneralSection 301 (China)Exclusions
2918.99.05p-Anisic acid; Clofibrate; and 3-Phenoxybenzoic acid5.8%List 3 +25%
2918.99.061-Hydroxy-6-octadecyloxy-2-naphthalene- carboxylic acid; and 1-Hydroxy-6-docosyloxy-2-naphthal…FreeList 4B (suspended, no extra duty)
2918.99.142-(4-Chloro-2-methylphenoxy)propionic acid and its saltsFreenone
2918.99.184-(4-Chloro-2-methylphenoxy) butyric acid;p-Chlorophenoxyacetic acid; and 2-(2,4-Dichloropheno…6.5%List 3 +25%
2918.99.20Pesticides: Other6.5%List 4A +7.5%
2918.99.30Other: Drugs6.5%none
2918.99.35Odoriferous or flavoring compounds6.5%List 4B (suspended, no extra duty)
2918.99.43Products described in additional U.S. note 3 to section VI6.5%List 3 +25%
2918.99.47Other: Other6.5%List 4B (suspended, no extra duty)
2918.99.50Other: Other4%List 4B (suspended, no extra duty)

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 2918.99 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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