2918.99—Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulfonated, nitrated or nitrosated derivatives, other
General duty rate
Free – 6.5%
Across 12 10-digit lines; pick a line below for the exact rate
Coverage on this page
Plain-English explanation
HTS 2918.99 is a 6-digit subheading of the U.S. Harmonized Tariff Schedule covering Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulfonated, nitrated or nitrosated derivatives, other. It sits in Chapter 29: Organic chemicals, Section VI: Products of the Chemical or Allied Industries and rolls up 12 10-digit statistical lines, with general duty rates ranging from Free to 6.5%. 4 AD/CVD orders flag at least one child line.
10-digit lines under 2918.99(12)
Pick a line to view full rate detail and compute landed duty
2918.99.05.00p-Anisic acid; Clofibrate; and 3-Phenoxybenzoic acid5.8%2918.99.06.001-Hydroxy-6-octadecyloxy-2-naphthalene- carboxylic acid; and 1-Hydroxy-6-docosyloxy-2-naphthalene- carboxylic acidFree2918.99.14.002-(4-Chloro-2-methylphenoxy)propionic acid and its saltsFree2918.99.18.004-(4-Chloro-2-methylphenoxy) butyric acid;p-Chlorophenoxyacetic acid; and 2-(2,4-Dichlorophenoxy) propionic acid6.5%2918.99.20.102,4-Dichlorophenoxyacetic acid, its salts and esters6.5% 2918.99.20.15AD/CVD orders(4)
Antidumping or countervailing orders covering one or more lines under 2918.99
Frequently asked questions
What does HTS 2918.99 cover?
HTS 2918.99 is a 6-digit subheading of the U.S. Harmonized Tariff Schedule covering Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulfonated, nitrated or nitrosated derivatives, other. It belongs to Chapter 29 and rolls up 12 10-digit statistical lines that brokers actually file at entry.
What is the duty rate for HTS 2918.99?
General (Column 1) duty rates for the 10-digit lines under HTS 2918.99 range from Free to 6.5%. The exact rate depends on the specific 10-digit statistical line — pick a line below to see its full rate detail.
How do I find the right 10-digit line under HTS 2918.99?
U.S. Customs requires entries to be filed at the 10-digit statistical level — the broader subheading HTS 2918.99 is not directly fileable. Match your product description to the most specific 10-digit line in the list on this page; if multiple lines could apply, the General Rules of Interpretation (GRIs) and chapter notes determine which one governs.
Are there AD/CVD orders affecting HTS 2918.99?
Learn more
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