Nigeria Customs Tariff for HS Code 291830
Acids; carboxylic acids, (with aldehyde or ketone function but without other oxygen function), their anhydrides, halides, peroxides, peroxyacids and their derivatives
Reported average: 5%.
Source year: 2023. Classification: HS 2022 (H6). Checked 2026-09-14.
National lines included: 1 of 1. Excluded from the average: 0.
Reported ad-valorem range: 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 Nigeria
Nigeria HS Code 291830: 5.00% (2023 MFN average)
The source reports an indicative HS6 MFN average of 5.00% (2023 MFN average) for Acids; carboxylic acids, (with aldehyde or ketone function but without other oxygen function), their anhydrides, halides, peroxides, peroxyacids and their derivatives.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.
Customs tariff summary
- Country
- Nigeria
- HS / tariff code
- 291830
- Description
- Acids; carboxylic acids, (with aldehyde or ketone function but without other oxygen function), their anhydrides, halides, peroxides, peroxyacids and their derivatives
- Chapter
- 29 —
- Heading
- 2918
- Subheading
- 291830
- Indicative MFN HS6 average
- 5.00% (2023 MFN average)
- VAT / tax
- Check local VAT and excise rules for the import destination.
- Unit / basis
- Not listed in this tariff line
- Source / vintage
- WITS / UNCTAD TRAINS — 2023 MFN HS6 reference
Historical MFN average
5.00% (2023 MFN average)
Import permission
not assessed
Import planning
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Details
- HS Code
- 291830
- Chapter
- 29 —
- Heading
- 2918
- Subheading
- 291830
Compare HS code 291830 across GCC countries
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.
Related HS Codes (Heading 2918)
| HS Code | Description | Duty |
|---|---|---|
| 291811 | Acids; carboxylic acids, (with alcohol function but without other oxygen function), lactic acid, its salts and esters | 5.00% (2023 MFN average)WITS 2023 historical MFN average |
| 291812 | Acids; carboxylic acids, (with alcohol function but without other oxygen function), tartaric acid | 5.00% (2023 MFN average)WITS 2023 historical MFN average |
| 291813 | Acids; carboxylic acids, (with alcohol function but without other oxygen function); salts and esters of tartaric acid | 5.00% (2023 MFN average)WITS 2023 historical MFN average |
| 291814 | Acids; carboxylic acids, (with alcohol function but without other oxygen function), citric acid | 5.00% (2023 MFN average)WITS 2023 historical MFN average |
| 291815 | Acids; carboxylic acids, (with alcohol function but without other oxygen function), salts and esters of citric acid | 5.00% (2023 MFN average)WITS 2023 historical MFN average |
| 291816 | Acids; carboxylic acids, (with alcohol function but without other oxygen function), gluconic acid, its salts and esters | 5.00% (2023 MFN average)WITS 2023 historical MFN average |
| 291817 | Acids; carboxylic acids, (with alcohol function but without other oxygen function), 2,2-Diphenyl-2-hydroxyacetic acid (benzilic acid) | 5.00% (2023 MFN average)WITS 2023 historical MFN average |
| 291818 | Acids; carboxylic acids, (with alcohol function but without other oxygen function), chlorobenzilate (ISO) | 5.00% (2023 MFN average)WITS 2023 historical MFN average |
| 291819 | Acids; carboxylic acids, (with alcohol function but without other oxygen function), other than lactic, tartaric, citric, and gluconic acids and their salts and esters | 5.00% (2023 MFN average)WITS 2023 historical MFN average |
| 291821 | Acids; carboxylic acids, (with phenol function but without other oxygen function), salicylic acid and its salts | 5.00% (2023 MFN average)WITS 2023 historical MFN average |
| 291822 | Acids; carboxylic acids, (with phenol function but without other oxygen function), o-acetylsalicylic acid, its salts and esters | 5.00% (2023 MFN average)WITS 2023 historical MFN average |
| 291823 | Acids; carboxylic acids, (with phenol function but without other oxygen function), other esters of salicylic acid and its salts n.e.c. in item no. 2918.2 | 5.00% (2023 MFN average)WITS 2023 historical MFN average |
| 291829 | Acids; carboxylic acids, (with phenol function but without other oxygen function), their anhydrides, halides, peroxides, peroxyacids and their derivatives, n.e.c. in item no. 2918.2 | 5.00% (2023 MFN average)WITS 2023 historical MFN average |
| 291891 | Acids; carboxylic acids, with additional oxygen function (not alcohol, phenol, aldehyde or ketone) and their anhydrides, halides, peroxides and peroxyacids; 2,4,5-T (ISO) (2,4,5-trichlorophenoxyacetic acid), its salts and esters | 5.00% (2023 MFN average)WITS 2023 historical MFN average |
| 291899 | Acids; carboxylic acids, with additional oxygen function (not alcohol, phenol, aldehyde or ketone) and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives; other than 2,4,5-T (ISO) | 5.00% (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.