# 291822 — Carboxylic acids with additional oxygen function and their anhydrides, halides,…: o-Acetylsalicylic acid, its salts and esters

HS code 291822 classifies Carboxylic acids with additional oxygen function and their anhydrides, halides,…: o-Acetylsalicylic acid, its salts and esters. It belongs to Chapter 29 (Organic chemicals) of Section VI (Products of the chemical or allied industries) of the Harmonized System. Duty rates are recorded for 1 country.

> Section VI · Products of the chemical or allied industries
> Chapter 29 · Organic chemicals

**HS code:** `291822`

## Description

Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives : Carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives : o-Acetylsalicylic acid, its salts and esters

## Duty rates

| Country | Rate | Programme |
| --- | --- | --- |
| US United States | 6.5% | MFN |

Rates effective as of 2026-01-01.

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Source: https://hscode.eximagent.ai/29/291822
Last updated: 2026-06-03
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