HTS heading
2918Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulfonated, nitrated or nitrosated derivatives:
Rates as published in 2026 HTS Revision 15, captured 2026-08-13. Source: USITC Harmonized Tariff Schedule.
Current duty rates (56 lines)
| Code | Description | General | Special | Column 2 |
|---|---|---|---|---|
| 2918.11.10.00 | Lactic acid | 5.1% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 35% |
| 2918.11.51.00 | Other | 3.4% | Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) | 25% |
| 2918.12.00.00 | Tartaric acid | Free | — | 17% |
| 2918.13.10.00 | Potassium antimony tartrate (Tartar emetic) | Free | — | 4% |
| 2918.13.20.00 | Potassium bitartrate (Cream of tartar) | Free | — | 11% |
| 2918.13.30.00 | Potassium sodium tartrate (Rochelle salts) | Free | — | 11.5% |
| 2918.13.50.00 | Other | 4.4% | Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) | 25% |
| 2918.14.00.00 | Citric acid | 6% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 39.5% |
| 2918.15.10.00 | Sodium citrate | 6.5% | Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 42% |
| 2918.15.50.00 | Other | 3.7% | Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% |
| 2918.16.10.00 | Gluconic acid | 6% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% |
| 2918.16.50 | Other | 3.7% | Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) | 25% |
| 2918.17.00.01 | 2,2-Diphenyl-2-hydroxyacetic acid (benzilic acid) | 5.8% | Free (A+,AU,BH,CL,CO,D, E,IL,JO, KR,MA,OM,P, PA,PE,S,SG) | 15.4¢/kg + 40% |
| 2918.18.00.00 | Chlorobenzilate (ISO) | 6.5% | Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,L,MA,OM,P, PA,PE,S,SG) | 15.4¢/kg + 57% |
| 2918.19.11.00 | Benzilic acid, methyl ester | 5.8% | Free (A+,AU,BH,CL,CO,D, E,IL,JO, KR,MA,OM,P, PA,PE,S,SG) | 15.4¢/kg + 40% |
| 2918.19.12.00 | Mandelic acid | Free | — | 15.4¢/kg + 67.5% |
| 2918.19.15.00 | Other | 6.5% | Free (A+,AU,BH,CL,CO,D, E,IL,JO, K,KR,MA,OM,P, PA,PE,S,SG) | 15.4¢/kg + 67.5% |
| 2918.19.20.00 | Products described in additional U.S. note 3 to section VI | 6.5% | Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,L,MA,OM,P, PA,PE,S,SG) | 15.4¢/kg + 57% |
| 2918.19.31.00 | Other | 6.5% | Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,L,MA,OM,P, PA,PE,S,SG) | 15.4¢/kg + 57% |
| 2918.19.60.00 | Malic acid | 4% | Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) | 25% |
| 2918.19.90.00 | Other | 4% | Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,MA,OM,P, PA,PE,S,SG) | 25% |
| 2918.21.10.00 | Suitable for medicinal use | 6.5% | Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 72% |
| 2918.21.50.00 | Other | 6.5% | Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 57% |
| 2918.22.10.00 | O-Acetylsalicylic acid (Aspirin) | 6.5% | Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 82% |
| 2918.22.50.00 | Salts and esters of O-acetylsalicylic acid | 6.5% | Free (A*,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 47.5% |
| 2918.23.10.00 | Salol (Phenyl salicylate) suitable for medicinal use | 6.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 45% |
| 2918.23.20.00 | Odoriferous or flavoring compounds | 6.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 58% |
| 2918.23.30.00 | Products described in additional U.S. note 3 to section VI | 6.5% | Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,MA,OM,P, PA,PE,S,SG) | 15.4¢/kg + 57% |
| 2918.23.50.00 | Other | 6.5% | Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,MA,OM,P, PA,PE,S,SG) | 15.4¢/kg + 57% |
| 2918.29.04.00 | 2,3-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 acid | 5.8% | Free (A+,AU,BH,CL,CO,D,E,IL,JO,KR,L,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 40% |
| 2918.29.06.00 | 1,6-Hexanediol bis(3,5-dibutyl-4-hydroxyphenyl)propionate) | 5.8% | Free (A+,AU,BH,CL,CO,D,E, IL,JO,KR,MA,OM,P, PA,PE,S,SG) | 15.4¢/kg + 40% |
| 2918.29.08.00 | m-Hydroxybenzoic acid | Free | — | 15.4¢/kg + 40% |
| 2918.29.20.00 | Gentisic acid; and Hydroxycinnamic acid and its salts | 6.5% | Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,MA,OM,P, PA,PE,S,SG) | 15.4¢/kg + 48.5% |
| 2918.29.22.00 | p-Hydroxybenzoic acid | 6.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 48.5% |
| 2918.29.25.00 | 3-Hydroxy-2-naphthoic acid | 6.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,L,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 57% |
| 2918.29.30.00 | Gallic acid | 1% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 2% |
| 2918.29.39.00 | 4,4-Bis(4-hydroxyphenyl) pentanoic acid; and 3,5,6-Trichlorosalicylic acid | Free | — | 15.4¢/kg + 57% |
| 2918.29.65.00 | Products described in additional U.S. note 3 to section VI | 6.5% | Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,L,MA,OM,P, PA,PE,S,SG) | 15.4¢/kg + 57% |
| 2918.29.75.00 | Other | 6.5% | Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,L,MA,OM,P, PA,PE,S,SG) | 15.4¢/kg + 57% |
| 2918.30.10.00 | 1-Formylphenylacetic acid, methyl ester | 5.8% | Free (A+,AU,BH,CL,CO,D, E,IL,JO, KR,MA,OM,P, PA,PE,S,SG) | 15.4¢/kg + 40% |
| 2918.30.15.00 | 2-Chloro-4,5-difluoro-ß-oxobenzenepropanoic acid, ethyl ester; and Ethyl 2-keto-4-phenylbutanoate | Free | — | 15.4¢/kg + 57% |
| 2918.30.25 | Products described in additional U.S. note 3 to section VI | 6.5% | Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,MA,OM,P, PA,PE,S,SG) | 15.4¢/kg + 57% |
| 2918.30.30.00 | Other | 6.5% | Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,MA,OM,P, PA,PE,S,SG) | 15.4¢/kg + 57% |
| 2918.30.70.00 | Dimethyl 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 ester | Free | — | 25% |
| 2918.30.90.00 | Other | 3.7% | Free (A*,AU,BH,CL,CO,D,E,IL,JO,K,KR,L,MA,OM,P,PA,PE,S,SG) | 25% |
| 2918.91.00.00 | 2,4,5-T (ISO) (2,4,5-trichlorophenoxyacetic acid), its salts and esters | 6.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 48.5% |
| 2918.99.05.00 | p-Anisic acid; Clofibrate; and 3-Phenoxybenzoic acid | 5.8% | Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 40% |
| 2918.99.06.00 | 1-Hydroxy-6-octadecyloxy-2-naphthalene- carboxylic acid; and 1-Hydroxy-6-docosyloxy-2-naphthalene- carboxylic acid | Free | — | 15.4¢/kg + 57% |
| 2918.99.14.00 | 2-(4-Chloro-2-methylphenoxy)propionic acid and its salts | Free | — | 15.4¢/kg + 40.5% |
| 2918.99.18.00 | 4-(4-Chloro-2-methylphenoxy) butyric acid;p-Chlorophenoxyacetic acid; and 2-(2,4-Dichlorophenoxy) propionic acid | 6.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 40.5% |
| 2918.99.20 | Other | 6.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 48.5% |
| 2918.99.30.00 | Drugs | 6.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 47.5% |
| 2918.99.35.00 | Odoriferous or flavoring compounds | 6.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 58% |
| 2918.99.43 | Products described in additional U.S. note 3 to section VI | 6.5% | Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 57% |
| 2918.99.47.00 | Other | 6.5% | Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 57% |
| 2918.99.50.00 | Other | 4% | Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) | 25% |
Get an email when 2918 changes
We diff the full schedule nightly. One code is free.
One code, free, no card. Unsubscribe from any email.
Rate change history
Change history is temporarily unavailable. This is a display problem on our side, not a statement that nothing changed.
Federal Register actions
Temporarily unavailable — not a statement that none exist.