# United States tariff line 2916.39.04.00: m-Chloroperoxybenzoic acid; andp-Sulfobenzoic acid, potassium salt

> In the United States tariff, line 2916.39.04.00 covers aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives, m-Chloroperoxybenzoic acid; andp-Sulfobenzoic acid, potassium salt. Goods under this line enter free of general (MFN) duty. It falls under HS subheading 2916.39 in heading 29.16 (chapter 29).

Source: https://border.bot/countries/united-states/hs-codes/2916390400
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) / [2916.39](https://border.bot/countries/united-states/hs-codes/291639) / [2916.39.04.00](https://border.bot/countries/united-states/hs-codes/2916390400)

## Key facts

- Tariff line: 2916.39.04.00
- Covers: Aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives, m-Chloroperoxybenzoic acid; andp-Sulfobenzoic acid, potassium salt
- Duty (MFN): Free
- Additional duties: None recorded
- Restrictions: None recorded
- Tariff: [United States](https://border.bot/countries/united-states)
- HS subheading: [2916.39](https://border.bot/hs-codes/291639)

## What this line covers

In the United States tariff, line 2916.39.04.00 covers aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives, m-Chloroperoxybenzoic acid; andp-Sulfobenzoic acid, potassium salt.

Its legal text is “m-Chloroperoxybenzoic acid; andp-Sulfobenzoic acid, potassium salt”, read under “Aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives” and “Other”.

## How it is structured

It falls under HS subheading 2916.39 in heading 29.16 (chapter 29). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff.

- Chapter 29: Organic chemicals
- Heading 29.16: Unsaturated acyclic monocarboxylic acids, cyclic monocarboxylic acids, their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulfonated, nitrated or nitrosated derivatives
- Subheading 2916.39: Aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives
- Within the subheading: Other
- Line 2916.39.04.00: m-Chloroperoxybenzoic acid; andp-Sulfobenzoic acid, potassium salt

## Duty

Goods under this line enter free of general (MFN) duty.

## In other countries

No other national tariff on border.bot has live lines under 2916.39 yet.

- [The Harmonized System text for 2916.39](https://border.bot/hs-codes/291639)

## Other lines under 2916.39

- [2916.39.03.00](https://border.bot/countries/united-states/hs-codes/2916390300) Benzoic anhydride;tert-Butyl peroxybenzoate;p-Nitrobenzoyl chloride; 2-Nitro-m-toluic acid; and 3-Nitro-o-toluic acid
- [2916.39.06.00](https://border.bot/countries/united-states/hs-codes/2916390600) Cinnamic acid
- [2916.39.08.00](https://border.bot/countries/united-states/hs-codes/2916390800) 4-Chloro-3-nitrobenzoic acid
- [2916.39.12.00](https://border.bot/countries/united-states/hs-codes/2916391200) 4-Chloro-3,5-dinitrobenzoic acid and its esters
- [2916.39.15.00](https://border.bot/countries/united-states/hs-codes/2916391500) Ibuprofen
- [2916.39.16.00](https://border.bot/countries/united-states/hs-codes/2916391600) 4-Chlorobenzoic acid
- [2916.39.17.00](https://border.bot/countries/united-states/hs-codes/2916391700) 2,2-Dichlorophenylacetic acid, ethyl ester; andm-Toluic acid
- [2916.39.21.00](https://border.bot/countries/united-states/hs-codes/2916392100) Odoriferous or flavoring compounds
- [2916.39.46.00](https://border.bot/countries/united-states/hs-codes/2916394600) Products described in additional U.S. note 3 to section VI
- [2916.39.77.00](https://border.bot/countries/united-states/hs-codes/2916397700) Esters of phenylacetic acid
- [2916.39.79.00](https://border.bot/countries/united-states/hs-codes/2916397900) Other

- Previous line: [2916.39.03.00](https://border.bot/countries/united-states/hs-codes/2916390300) Benzoic anhydride;tert-Butyl peroxybenzoate;p-Nitrobenzoyl chloride; 2-Nitro-m-toluic acid; and 3-Nitro-o-toluic acid
- Next line: [2916.39.06.00](https://border.bot/countries/united-states/hs-codes/2916390600) Cinnamic acid

## Frequently asked questions

### What does tariff line 2916.39.04.00 cover in the United States tariff?

In the United States tariff, line 2916.39.04.00 covers aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives, m-Chloroperoxybenzoic acid; andp-Sulfobenzoic acid, potassium salt.

### What is the general (MFN) duty on 2916.39.04.00 in the United States?

Goods under this line enter free of general (MFN) duty.

## 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/2916390400.json