CustomsTariffs.com
This directory combines historical reference rows with separately labelled national sources. Read the source title, observation date, printed units and conditions on each entry. National source observations do not establish all measures applicable to a shipment.

United States Customs Tariff for HS Code 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

USITC 2026 HTS Revision 19

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.

Official schedule and source documentation

Official entries matching 291829

2918.29.04.00

Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulfonated, nitrated or nitrosated derivatives: › Carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives: › Other:

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

Source units: kg

Column 1 — General
5.8%
Column 1 — Special (eligibility required)
Free (A+,AU,BH,CL,CO,D,E,IL,JO,KR,L,MA,OM,P,PA,PE,S,SG)
Column 2
15.4¢/kg + 40%
Official source for this code

2918.29.06.00

Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulfonated, nitrated or nitrosated derivatives: › Carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives: › Other:

1,6-Hexanediol bis(3,5-dibutyl-4-hydroxyphenyl)propionate)

Source units: kg

Column 1 — General
5.8%
Column 1 — Special (eligibility required)
Free (A+,AU,BH,CL,CO,D,E, IL,JO,KR,MA,OM,P, PA,PE,S,SG)
Column 2
15.4¢/kg + 40%
Official source for this code

2918.29.08.00

Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulfonated, nitrated or nitrosated derivatives: › Carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives: › Other:

m-Hydroxybenzoic acid

Source units: kg

Column 1 — General
Free
Column 1 — Special (eligibility required)
No amount printed on this row; not a confirmed zero.
Column 2
15.4¢/kg + 40%
Official source for this code

2918.29.20.00

Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulfonated, nitrated or nitrosated derivatives: › Carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives: › Other:

Gentisic acid; and Hydroxycinnamic acid and its salts

Source units: kg

Column 1 — General
6.5%
Column 1 — Special (eligibility required)
Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,MA,OM,P, PA,PE,S,SG)
Column 2
15.4¢/kg + 48.5%
Official source for this code

2918.29.22.00

Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulfonated, nitrated or nitrosated derivatives: › Carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives: › Other:

p-Hydroxybenzoic acid

Source units: kg

Column 1 — General
6.5%
Column 1 — Special (eligibility required)
Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Column 2
15.4¢/kg + 48.5%
Official source for this code

2918.29.25.00

Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulfonated, nitrated or nitrosated derivatives: › Carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives: › Other:

3-Hydroxy-2-naphthoic acid

Source units: kg

Column 1 — General
6.5%
Column 1 — Special (eligibility required)
Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,L,MA,OM,P,PA,PE,S,SG)
Column 2
15.4¢/kg + 57%
Official source for this code

2918.29.30.00

Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulfonated, nitrated or nitrosated derivatives: › Carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives: › Other:

Gallic acid

Source units: kg

Column 1 — General
1%
Column 1 — Special (eligibility required)
Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Column 2
2%
Official source for this code

2918.29.39.00

Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulfonated, nitrated or nitrosated derivatives: › Carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives: › Other:

4,4-Bis(4-hydroxyphenyl) pentanoic acid; and 3,5,6-Trichlorosalicylic acid

Source units: kg

Column 1 — General
Free
Column 1 — Special (eligibility required)
No amount printed on this row; not a confirmed zero.
Column 2
15.4¢/kg + 57%
Official source for this code

2918.29.65.00

Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulfonated, nitrated or nitrosated derivatives: › Carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives: › Other: › Other:

Products described in additional U.S. note 3 to section VI

Source units: kg

Column 1 — General
6.5%
Column 1 — Special (eligibility required)
Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,L,MA,OM,P, PA,PE,S,SG)
Column 2
15.4¢/kg + 57%
Official source for this code

2918.29.75.00

Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulfonated, nitrated or nitrosated derivatives: › Carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives: › Other: › Other:

Other

Source units: kg

Column 1 — General
6.5%
Column 1 — Special (eligibility required)
Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,L,MA,OM,P, PA,PE,S,SG)
Column 2
15.4¢/kg + 57%
Official source for this code
WITS 2023 historical MFN average

Reported average: 4.50999975204468%.

Source year: 2023. Classification: HS 2022 (H6). Checked 2026-09-14.

National lines included: 10 of 10. Excluded from the average: 0.

Reported ad-valorem range: 0%–6.5%.

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

United States HS Code 291829: 4.51% (2023 MFN average)

The source reports an indicative HS6 MFN average of 4.51% (2023 MFN average) for 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.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.

Browse chapter 29Search parent HS 291829Request import report

Customs tariff summary

Country
United States
HS / tariff code
291829
Description
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
Chapter
29 —
Heading
2918
Subheading
291829
Indicative MFN HS6 average
4.51% (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

4.51% (2023 MFN average)

Import permission

not assessed

Import planning

Need a landed cost report for this HS code?

Request a one-page research summary with source checks, landed-cost inputs, and points to verify for HS code 291829 in United States.

Get report

Details

HS Code
291829
Chapter
29 —
Heading
2918
Subheading
291829

Compare HS code 291829 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.

Saudi ArabiaSearch parent HS 291829United Arab EmiratesSearch parent HS 291829OmanSearch parent HS 291829QatarSearch parent HS 291829KuwaitSearch parent HS 291829BahrainSearch parent HS 291829

Related HS Codes (Heading 2918)

HS CodeDescriptionDuty
291811Acids; carboxylic acids, (with alcohol function but without other oxygen function), lactic acid, its salts and esters4.25% (2023 MFN average)WITS 2023 historical MFN average
291812Acids; carboxylic acids, (with alcohol function but without other oxygen function), tartaric acid0.00% (2023 MFN average)WITS 2023 historical MFN average
291813Acids; carboxylic acids, (with alcohol function but without other oxygen function); salts and esters of tartaric acid1.10% (2023 MFN average)WITS 2023 historical MFN average
291814Acids; carboxylic acids, (with alcohol function but without other oxygen function), citric acid6.00% (2023 MFN average)WITS 2023 historical MFN average
291815Acids; carboxylic acids, (with alcohol function but without other oxygen function), salts and esters of citric acid5.10% (2023 MFN average)WITS 2023 historical MFN average
291816Acids; carboxylic acids, (with alcohol function but without other oxygen function), gluconic acid, its salts and esters4.85% (2023 MFN average)WITS 2023 historical MFN average
291817Acids; carboxylic acids, (with alcohol function but without other oxygen function), 2,2-Diphenyl-2-hydroxyacetic acid (benzilic acid)5.80% (2023 MFN average)WITS 2023 historical MFN average
291818Acids; carboxylic acids, (with alcohol function but without other oxygen function), chlorobenzilate (ISO)6.50% (2023 MFN average)WITS 2023 historical MFN average
291819Acids; carboxylic acids, (with alcohol function but without other oxygen function), other than lactic, tartaric, citric, and gluconic acids and their salts and esters4.76% (2023 MFN average)WITS 2023 historical MFN average
291821Acids; carboxylic acids, (with phenol function but without other oxygen function), salicylic acid and its salts6.50% (2023 MFN average)WITS 2023 historical MFN average
291822Acids; carboxylic acids, (with phenol function but without other oxygen function), o-acetylsalicylic acid, its salts and esters6.50% (2023 MFN average)WITS 2023 historical MFN average
291823Acids; carboxylic acids, (with phenol function but without other oxygen function), other esters of salicylic acid and its salts n.e.c. in item no. 2918.26.50% (2023 MFN average)WITS 2023 historical MFN average
291830Acids; carboxylic acids, (with aldehyde or ketone function but without other oxygen function), their anhydrides, halides, peroxides, peroxyacids and their derivatives3.75% (2023 MFN average)WITS 2023 historical MFN average
291891Acids; 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 esters6.50% (2023 MFN average)WITS 2023 historical MFN average
291899Acids; 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)4.88% (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.