# 291813 — Carboxylic acids with additional oxygen function and their anhydrides, halides,…: Salts and esters of tartaric acid

HS code 291813 classifies Carboxylic acids with additional oxygen function and their anhydrides, halides,…: Salts and esters of tartaric acid. 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:** `291813`

## Description

Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives : Carboxylic acids with alcohol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives : Salts and esters of tartaric acid

## Duty rates

| Country | Rate | Programme |
| --- | --- | --- |
| US United States | Free–4.4% | MFN |

Rates effective as of 2026-01-01.

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Source: https://hscode.eximagent.ai/29/291813
Last updated: 2026-06-03
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