# United States tariff lines under HS 2918.29

> The United States tariff splits HS 2918.29 (carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives: Other) into 10 national lines: 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), 2918.29.06.00 (1,6-Hexanediol bis(3,5-dibutyl-4-hydroxyphenyl)propionate)), 2918.29.08.00 (m-Hydroxybenzoic acid), 2918.29.20.00 (gentisic acid; and Hydroxycinnamic acid and its salts) and 6 others.

Source: https://border.bot/countries/united-states/hs-codes/291829
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 29](https://border.bot/countries/united-states/hs-codes/29) / [2918.29](https://border.bot/countries/united-states/hs-codes/291829)

## Key facts

- HS subheading: [2918.29](https://border.bot/hs-codes/291829)
- National lines: 10
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 29: Organic chemicals

## United States lines under 2918.29

The United States tariff splits HS 2918.29 (carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives: Other) into 10 national lines: 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), 2918.29.06.00 (1,6-Hexanediol bis(3,5-dibutyl-4-hydroxyphenyl)propionate)), 2918.29.08.00 (m-Hydroxybenzoic acid), 2918.29.20.00 (gentisic acid; and Hydroxycinnamic acid and its salts) and 6 others.

- [2918.29.04.00](https://border.bot/countries/united-states/hs-codes/2918290400) 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. Duty (MFN): 5.8%
- [2918.29.06.00](https://border.bot/countries/united-states/hs-codes/2918290600) 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). Duty (MFN): 5.8%
- [2918.29.08.00](https://border.bot/countries/united-states/hs-codes/2918290800) Carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives, Other, m-Hydroxybenzoic acid. Duty (MFN): free
- [2918.29.20.00](https://border.bot/countries/united-states/hs-codes/2918292000) 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. Duty (MFN): 6.5%
- [2918.29.22.00](https://border.bot/countries/united-states/hs-codes/2918292200) Carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives, Other, p-Hydroxybenzoic acid. Duty (MFN): 6.5%
- [2918.29.25.00](https://border.bot/countries/united-states/hs-codes/2918292500) Carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives, Other, 3-Hydroxy-2-naphthoic acid. Duty (MFN): 6.5%
- [2918.29.30.00](https://border.bot/countries/united-states/hs-codes/2918293000) Carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives, Other, Gallic acid. Duty (MFN): 1%
- [2918.29.39.00](https://border.bot/countries/united-states/hs-codes/2918293900) 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. Duty (MFN): free
- [2918.29.65.00](https://border.bot/countries/united-states/hs-codes/2918296500) 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. Duty (MFN): 6.5%
- [2918.29.75.00](https://border.bot/countries/united-states/hs-codes/2918297500) Carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives, Other, Other, Other. Duty (MFN): 6.5%

## In other countries

No other national tariff on border.bot has live lines under 2918.29 yet.

- [The Harmonized System text for 2918.29](https://border.bot/hs-codes/291829)

- Previous subheading: [2918.23](https://border.bot/countries/united-states/hs-codes/291823) Other esters of salicylic acid and their salts
- Next subheading: [2918.30](https://border.bot/countries/united-states/hs-codes/291830) Carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 2918.29?

The United States tariff splits HS 2918.29 (carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives: Other) into 10 national lines: 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), 2918.29.06.00 (1,6-Hexanediol bis(3,5-dibutyl-4-hydroxyphenyl)propionate)), 2918.29.08.00 (m-Hydroxybenzoic acid), 2918.29.20.00 (gentisic acid; and Hydroxycinnamic acid and its salts) and 6 others.

## Sources and updates

The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

This page was last updated on 9 October 2026.

Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.

Official source files:

- https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false

Machine-readable: https://border.bot/countries/united-states/hs-codes/291829.json