26,806 official source entries are searchable. Checked 2026-09-22; edition published 2026-09-15.
Printed tariff and statistical lines from this edition, separate from historical WITS averages. Blank duty cells are not a confirmed zero. Review the parent tariff line, general and chapter notes, chapter 99, origin, exclusions, quotas and additional duties. No shipment total or special-rate eligibility is calculated. The edition publication date is not a line-level effective date.
Ketones and quinones, whether or not with other oxygen function, and their halogenated, sulfonated, nitrated, or nitrosated derivatives: › Ketone-alcohols and ketone-aldehydes:
4-Hydroxy-4-methylpentan-2-one (Diacetone alcohol)
Source units: kg
Ketones and quinones, whether or not with other oxygen function, and their halogenated, sulfonated, nitrated, or nitrosated derivatives: › Ketone-alcohols and ketone-aldehydes: › Other: › Aromatic:
1,2,3-Indantrione monohydrate (Ninhydrin)
Source units: kg
Ketones and quinones, whether or not with other oxygen function, and their halogenated, sulfonated, nitrated, or nitrosated derivatives: › Ketone-alcohols and ketone-aldehydes: › Other: › Aromatic:
Other
Source units: kg
Ketones and quinones, whether or not with other oxygen function, and their halogenated, sulfonated, nitrated, or nitrosated derivatives: › Ketone-alcohols and ketone-aldehydes: › Other: › Other:
1,3-Dihydroxyacetone
Source units: kg
Ketones and quinones, whether or not with other oxygen function, and their halogenated, sulfonated, nitrated, or nitrosated derivatives: › Ketone-alcohols and ketone-aldehydes: › Other: › Other:
Other
Source units: kg
Reported average: 3.95999979972839%.
Source year: 2023. Classification: HS 2022 (H6). Checked 2026-09-14.
National lines included: 5 of 5. Excluded from the average: 0.
Reported ad-valorem range: 0%–5.5%.
Reported historical ad-valorem MFN simple average for 2023, not a national tariff schedule. No preferential rates, additional duties, VAT, excise or import permissions are determined.
Not a current 2026 national duty. The HS6 average does not determine the duty of a particular national subdivision, origin or shipment.
WITS observation for this code and year
UN Comtrade H6 descriptions (HS 2022)
WITS API definitions: reported averages and excluded national lines
Direct HS code answer for United States
The source reports an indicative HS6 MFN average of 3.96% (2023 MFN average) for Ketone-alcohols and ketone-aldehydes.Source status: not assessed. Verify the exact national tariff line, origin treatment, taxes, restrictions, and current customs guidance before using this information in a declaration.
3.96% (2023 MFN average)
not assessed
Import planning
Request a one-page research summary with source checks, landed-cost inputs, and points to verify for HS code 291440 in United States.
Each destination shows its own source label. Oman uses its national schedule; Qatar and UAE entries may cite their separately published references and unresolved exceptions. Other entries retain the historical GCC reference. National codes, duty notes, restrictions and tax treatment can differ; verify with the destination customs authority.
| HS Code | Description | Duty |
|---|---|---|
| 291411 | Ketones; acyclic, without other oxygen function, acetone | 2.75% (2023 MFN average)WITS 2023 historical MFN average |
| 291412 | Ketones; acyclic, without other oxygen function, butanone (methyl ethyl ketone) | 3.10% (2023 MFN average)WITS 2023 historical MFN average |
| 291413 | Ketones; acyclic, without other oxygen function, 4-methylpentan-2-one (methyl isobutyl ketone) | 4.00% (2023 MFN average)WITS 2023 historical MFN average |
| 291419 | Ketones; acyclic, without other oxygen function, n.e.c. in item no. 2914.1 | 4.00% (2023 MFN average)WITS 2023 historical MFN average |
| 291422 | Ketones; cyclanic, cyclenic or cycloterpenic, without other oxygen function, cyclohexanone and methylcyclohexanones | 5.50% (2023 MFN average)WITS 2023 historical MFN average |
| 291423 | Ketones; cyclanic, cyclenic or cycloterpenic, without other oxygen function, ionones and methylionones | 5.50% (2023 MFN average)WITS 2023 historical MFN average |
| 291429 | Ketones; cyclanic, cyclenic or cycloterpenic, without other oxygen function, other than cyclohexanone, methylcyclohexanones, ionones, and methylionones | 2.85% (2023 MFN average)WITS 2023 historical MFN average |
| 291431 | Ketones; aromatic, (without other oxygen function), phenylacetone (phenylpropan-2-one) | 5.50% (2023 MFN average)WITS 2023 historical MFN average |
| 291439 | Ketones; aromatic, (without other oxygen function), excluding phenylacetone (phenylpropan-2-one) | 2.75% (2023 MFN average)WITS 2023 historical MFN average |
| 291450 | Ketone-phenols and ketones with other oxygen function | 3.17% (2023 MFN average)WITS 2023 historical MFN average |
| 291461 | Quinones; anthraquinone | 0.00% (2023 MFN average)WITS 2023 historical MFN average |
| 291462 | Quinones; coenzyme Q10 (ubidecarenone (INN)) | 5.50% (2023 MFN average)WITS 2023 historical MFN average |
| 291469 | Quinones; other than anthraquinone and coenzyme Q10 (ubidecarenone (INN)) | 4.13% (2023 MFN average)WITS 2023 historical MFN average |
| 291471 | Ketones and quinones; halogenated, sulphonated, nitrated or nitrosated derivatives; chlordecone (ISO) | 4.00% (2023 MFN average)WITS 2023 historical MFN average |
| 291479 | Ketones and quinones; halogenated, sulphonated, nitrated or nitrosated derivatives, other than chlordecone (ISO) | 3.00% (2023 MFN average)WITS 2023 historical MFN average |
Data source: WITS/UNCTAD TRAINS (MFN 2022). Values are indicative HS6 MFN averages, not shipment-specific applied rates. Import permission and restrictions are not assessed. Historical reference rates exclude VAT, excise and other national measures. Separate national entries preserve the columns printed by their source; these are not a complete shipment assessment. Full disclaimer.