Chapter 29 · Organic chemicals · Section 6
HS Code 2918.30
Carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives
Heading 2918: Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulfonated, nitrated or nitrosated derivatives
US HTS + UK Tariff v4.0.1596 · updated 2026-09-10 · sources
United States - HTS lines under 2918.30
Source: official Harmonized Tariff Schedule (USITC). "General" is the normal-trade-relations rate; "Special" lists preference programs; "Other" is the column-2 rate. Additional Section 232/301 duties may apply on top.
| HTS code | Description | General | Special | Other | Unit |
|---|---|---|---|---|---|
| 2918.30.10 |
Aromatic > 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% | kg |
| 2918.30.15 |
Aromatic > 2-Chloro-4,5-difluoro-ß-oxobenzenepropanoic acid, ethyl ester; and Ethyl 2-keto-4-phenylbutanoate |
Free | - | 15.4¢/kg + 57% | kg |
| 2918.30.25 |
Aromatic > Other > Products described in additional U.S. note 3 to section VI 2 statistical lines (10-digit)
|
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% | kg |
| 2918.30.30 |
Other > Products described in additional U.S. note 3 to section VI > 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% | kg |
| 2918.30.70 |
Other > 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% | kg |
| 2918.30.90 |
Other > Other |
3.7% | Free (A*,AU,BH,CL,CO,D,E,IL,JO,K,KR,L,MA,OM,P,PA,PE,S,SG) | 25% | kg |
Estimate the US duty runs in your browser · no caps
Enter the customs value (and quantity, when a rate is per-unit) to estimate the general-rate duty per HTS line. Estimates exclude Section 232/301 surcharges, MPF/HMF and fees. Not a customs ruling.
European Union - CN codes under 2918.30
Source: EU Combined Nomenclature (Eurostat, © European Union, reused per Decision 2011/833/EU). Duty rates and measures live in TARIC; each code links to the official consultation.
| CN code | Description | |
|---|---|---|
| 2918 30 00 | Carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives | EU duty (TARIC) → |
United Kingdom - commodity codes under 2918.30
Source: UK Integrated Online Tariff (Open Government Licence v3.0). Declarable 10-digit codes go on the customs declaration; check the official page for the current duty and VAT measures.
| Commodity code | Description | |
|---|---|---|
| 2918 30 00 00 | Carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives | UK duty & VAT → |
| 2918 30 00 10 | Benzophenone-3,3′,4,4′-tetracarboxylic dianhydride (CAS RN 2421-28-5) | UK duty & VAT → |
| 2918 30 00 13 | Other than for use in the production of formaldehyde-free sulfur-based reducing agents (“FFSRAs”) and with an iron (Fe) content of ≥ 10 and ≤ 20 PPM (parts per million) | UK duty & VAT → |
| 2918 30 00 14 | Other | UK duty & VAT → |
| 2918 30 00 17 | Ethyl alpha-phenylacetoacetate (EAPA) CAS No 5413-05-8 | UK duty & VAT → |
| 2918 30 00 27 | Diethyl (phenylacetyl) propanedioate (DEPAPD) (CAS RN 20320-59-6) | UK duty & VAT → |
| 2918 30 00 30 | Methyl-2-benzoylbenzoate (CAS RN 606-28-0) | UK duty & VAT → |
| 2918 30 00 35 | 3-Oxocyclobutane-1-carboxylic acid with a purity by weight of 98 % or more (CAS RN 23761-23-1) | UK duty & VAT → |
| 2918 30 00 37 | Methyl alpha-phenylacetoacetate (MAPA) CAS No. 16648-44-5 | UK duty & VAT → |
| 2918 30 00 43 | Ethyl 4-oxovalerate (CAS RN 539-88-8) with a purity by weight of 98 % or more | UK duty & VAT → |
| 2918 30 00 48 | Prohexadione-calcium (ISOM) (CAS RN 127277-53-6) with a purity by weight of 95 % or more | UK duty & VAT → |
| 2918 30 00 53 | 2-(4-Chlorobenzoyl)benzoic acid (CAS RN 85-56-3) with a purity by weight of 99 % or more | UK duty & VAT → |
| 2918 30 00 55 | Methyl 3-oxo-pentanoate (CAS RN 30414-53-0) with a purity by weight of 98 % or more | UK duty & VAT → |
| 2918 30 00 60 | 4-Oxovaleric acid (CAS RN 123-76-2) | UK duty & VAT → |
| 2918 30 00 70 | 2-[4-Chloro-3-(chlorosulphonyl)benzoyl]benzoic acid (CAS RN 68592-12-1) | UK duty & VAT → |
| 2918 30 00 75 | Methyl 2-((1S,2R)-3-oxo-2-pentylcyclopentyl)acetate (CAS RN 151716-35-7) with a purity by weight of 99 % or more | UK duty & VAT → |
| 2918 30 00 80 | Methyl benzoylformate (CAS RN 15206-55-0) | UK duty & VAT → |
| 2918 30 00 85 | 2-Fluoro-5-formylbenzoic acid (CAS RN 550363-85-4) with a purity by weight of 98 % or more | UK duty & VAT → |
| 2918 30 00 87 | Ethyl acetoacetate (CAS RN 141-97-9) with a purity by weight of 98 % or more | UK duty & VAT → |
| 2918 30 00 90 | Other | UK duty & VAT → |
Other subheadings in 2918
Sources: U.S. International Trade Commission, Harmonized Tariff Schedule (public domain) · EU Combined Nomenclature © European Union, Eurostat (Decision 2011/833/EU) · UK Integrated Online Tariff, contains public sector information licensed under the Open Government Licence v3.0. Data refreshed weekly. Details on About & Data Sources.