Skip to the content
Sign in

HTS 2918

Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulfonated, nitrated or nitrosated derivatives

77 lines US HTS, Harmonized Tariff Schedule of the United States – 2026 HTS Revision 20

CodeDescriptionUnitGeneralSpecialColumn 2Source
Carboxylic acids with alcohol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives
2918.11Lactic acid, its salts and estersUSITC
2918.11.10.00Lactic acidkg5.1%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)35%USITC
2918.11.51.00Otherkg3.4%Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)25%USITC
2918.12.00.00Tartaric acidkgFree17%USITC
2918.13Salts and esters of tartaric acidUSITC
2918.13.10.00Potassium antimony tartrate (Tartar emetic)kgFree4%USITC
2918.13.20.00Potassium bitartrate (Cream of tartar)kgFree11%USITC
2918.13.30.00Potassium sodium tartrate (Rochelle salts)kgFree11.5%USITC
2918.13.50.00Otherkg4.4%Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)25%USITC
2918.14.00.00Citric acidkg6%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)39.5%USITC
2918.15Salts and esters of citric acidUSITC
2918.15.10.00Sodium citratekg6.5%Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)42%USITC
2918.15.50.00Otherkg3.7%Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)25%USITC
2918.16Gluconic acid, its salts and estersUSITC
2918.16.10.00Gluconic acidkg6%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)25%USITC
2918.16.50Other3.7%Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)25%USITC
2918.16.50.10Sodium gluconatekg3.7%Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)25%USITC
2918.16.50.20Calcium gluconatekg3.7%Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)25%USITC
2918.16.50.90Otherkg3.7%Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)25%USITC
2918.17.00.012,2-Diphenyl-2-hydroxyacetic acid (benzilic acid)kg5.8%Free (A+,AU,BH,CL,CO,D, E,IL,JO, KR,MA,OM,P, PA,PE,S,SG)15.4¢/kg + 40%USITC
2918.18.00.00Chlorobenzilate (ISO)kg6.5%Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,L,MA,OM,P, PA,PE,S,SG)15.4¢/kg + 57%USITC
2918.19OtherUSITC
Aromatic
2918.19.11.00Benzilic acid, methyl esterkg5.8%Free (A+,AU,BH,CL,CO,D, E,IL,JO, KR,MA,OM,P, PA,PE,S,SG)15.4¢/kg + 40%USITC
Phenylglycolic acid (Mandelic acid), its salts and esters
2918.19.12.00Mandelic acidkgFree15.4¢/kg + 67.5%USITC
2918.19.15.00Otherkg6.5%Free (A+,AU,BH,CL,CO,D, E,IL,JO, K,KR,MA,OM,P, PA,PE,S,SG)15.4¢/kg + 67.5%USITC
Other
2918.19.20.00Products described in additional U.S. note 3 to section VIkg6.5%Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,L,MA,OM,P, PA,PE,S,SG)15.4¢/kg + 57%USITC
2918.19.31.00Otherkg6.5%Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,L,MA,OM,P, PA,PE,S,SG)15.4¢/kg + 57%USITC
Other
2918.19.60.00Malic acidkg4%Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)25%USITC
2918.19.90.00Otherkg4%Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,MA,OM,P, PA,PE,S,SG)25%USITC
Carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives
2918.21Salicylic acid and its saltsUSITC
2918.21.10.00Suitable for medicinal usekg6.5%Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 72%USITC
2918.21.50.00Otherkg6.5%Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 57%USITC
2918.22O-Acetylsalicylic acid, its salts and estersUSITC
2918.22.10.00O-Acetylsalicylic acid (Aspirin)kg6.5%Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 82%USITC
2918.22.50.00Salts and esters of O-acetylsalicylic acidkg6.5%Free (A*,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 47.5%USITC
2918.23Other esters of salicylic acid and their saltsUSITC
2918.23.10.00Salol (Phenyl salicylate) suitable for medicinal usekg6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 45%USITC
Other
2918.23.20.00Odoriferous or flavoring compoundskg6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 58%USITC
Other
2918.23.30.00Products described in additional U.S. note 3 to section VIkg6.5%Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,MA,OM,P, PA,PE,S,SG)15.4¢/kg + 57%USITC
2918.23.50.00Otherkg6.5%Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,MA,OM,P, PA,PE,S,SG)15.4¢/kg + 57%USITC
2918.29OtherUSITC
2918.29.04.002,3-Cresotic acid; 2-Hydroxybenzoic acid, calcium salt; 1-Hydroxy-2-naphthoic acid; 2-Hydroxy-1-naphthoic acid; 1-Hydroxy-2-naphthoic acid, phenyl ester;α-Resorcylic acid;γ-Resorcylic acid; and 5-Sulfosalicylic acidkg5.8%Free (A+,AU,BH,CL,CO,D,E,IL,JO,KR,L,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 40%USITC
2918.29.06.001,6-Hexanediol bis(3,5-dibutyl-4-hydroxyphenyl)propionate)kg5.8%Free (A+,AU,BH,CL,CO,D,E, IL,JO,KR,MA,OM,P, PA,PE,S,SG)15.4¢/kg + 40%USITC
2918.29.08.00m-Hydroxybenzoic acidkgFree15.4¢/kg + 40%USITC
2918.29.20.00Gentisic acid; and Hydroxycinnamic acid and its saltskg6.5%Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,MA,OM,P, PA,PE,S,SG)15.4¢/kg + 48.5%USITC
2918.29.22.00p-Hydroxybenzoic acidkg6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 48.5%USITC
2918.29.25.003-Hydroxy-2-naphthoic acidkg6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,L,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 57%USITC
2918.29.30.00Gallic acidkg1%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)2%USITC
2918.29.39.004,4-Bis(4-hydroxyphenyl) pentanoic acid; and 3,5,6-Trichlorosalicylic acidkgFree15.4¢/kg + 57%USITC
Other
2918.29.65.00Products described in additional U.S. note 3 to section VIkg6.5%Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,L,MA,OM,P, PA,PE,S,SG)15.4¢/kg + 57%USITC
2918.29.75.00Otherkg6.5%Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,L,MA,OM,P, PA,PE,S,SG)15.4¢/kg + 57%USITC
2918.30Carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivativesUSITC
Aromatic
2918.30.10.001-Formylphenylacetic acid, methyl esterkg5.8%Free (A+,AU,BH,CL,CO,D, E,IL,JO, KR,MA,OM,P, PA,PE,S,SG)15.4¢/kg + 40%USITC
2918.30.15.002-Chloro-4,5-difluoro-ß-oxobenzenepropanoic acid, ethyl ester; and Ethyl 2-keto-4-phenylbutanoatekgFree15.4¢/kg + 57%USITC
Other
2918.30.25Products described in additional U.S. note 3 to section VI6.5%Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,MA,OM,P, PA,PE,S,SG)15.4¢/kg + 57%USITC
2918.30.25.10Methyl 3-oxo-2-phenylbutanoate (methyl alpha-phenylacetoacetate, MAPA)kg6.5%Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,MA,OM,P, PA,PE,S,SG)15.4¢/kg + 57%USITC
2918.30.25.50Otherkg6.5%Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,MA,OM,P, PA,PE,S,SG)15.4¢/kg + 57%USITC
2918.30.30.00Otherkg6.5%Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,MA,OM,P, PA,PE,S,SG)15.4¢/kg + 57%USITC
Other
2918.30.70.00Dimethyl acetyl succinate; Oxalacetic acid diethyl ester, sodium salt; 4,4,4-Trifluoro-3-oxobutanoic acid, ethyl ester; and 4,4,4-Trifluoro-3-oxobutanoic acid, methyl esterkgFree25%USITC
2918.30.90.00Otherkg3.7%Free (A*,AU,BH,CL,CO,D,E,IL,JO,K,KR,L,MA,OM,P,PA,PE,S,SG)25%USITC
Other
2918.91.00.002,4,5-T (ISO) (2,4,5-trichlorophenoxyacetic acid), its salts and esterskg6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 48.5%USITC
2918.99OtherUSITC
Aromatic
2918.99.05.00p-Anisic acid; Clofibrate; and 3-Phenoxybenzoic acidkg5.8%Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 40%USITC
2918.99.06.001-Hydroxy-6-octadecyloxy-2-naphthalene- carboxylic acid; and 1-Hydroxy-6-docosyloxy-2-naphthalene- carboxylic acidkgFree15.4¢/kg + 57%USITC
2918.99.14.002-(4-Chloro-2-methylphenoxy)propionic acid and its saltskgFree15.4¢/kg + 40.5%USITC
Other
Pesticides
2918.99.18.004-(4-Chloro-2-methylphenoxy) butyric acid;p-Chlorophenoxyacetic acid; and 2-(2,4-Dichlorophenoxy) propionic acidkg6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 40.5%USITC
2918.99.20Other6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 48.5%USITC
2918.99.20.102,4-Dichlorophenoxyacetic acid, its salts and esterskg6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 48.5%USITC
2918.99.20.152-Methyl-4-chlorophenoxyacetic acidkg6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 48.5%USITC
2918.99.20.50Otherkg6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 48.5%USITC
2918.99.30.00Drugskg6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 47.5%USITC
2918.99.35.00Odoriferous or flavoring compoundskg6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 58%USITC
Other
2918.99.43Products described in additional U.S. note 3 to section VI6.5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 57%USITC
2918.99.43.102-Methyl-3-phenyloxirane-2-carboxylic acid (P-2-P methyl glycidic acid), its salts and esterskg6.5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 57%USITC
2918.99.43.50Otherkg6.5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 57%USITC
2918.99.47.00Otherkg6.5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 57%USITC
2918.99.50.00Otherkg4%Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)25%USITC

The table scrolls sideways.

Source: USITC, Harmonized Tariff Schedule of the United States – 2026 HTS Revision 20, effective 28 September 2026. Heading 2918 at USITC

Not shown: the additional duties of Chapter 99 (such as Section 301 and Section 232), anti-dumping and countervailing duties, quotas and the legal notes.

This page is general information, not legal advice and not a classification decision. Tariff texts and rates change: check the publisher's current schedule, and ask the customs authority for a binding ruling where the answer matters.

All headings of chapter 29: Organic chemicals