# 2918 — Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives

HS code 2918 classifies Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. It belongs to Chapter 29 (Organic chemicals) of Section VI (Products of the chemical or allied industries) of the Harmonized System.

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

**HS code:** `2918`

## Description

Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives

## Subheadings

- `291811` — Lactic acid, its salts and esters
- `291812` — Tartaric acid
- `291813` — Salts and esters of tartaric acid
- `291814` — Citric acid
- `291815` — Salts and esters of citric acid
- `291816` — Gluconic acid, its salts and esters
- `291817` — 2,2-Diphenyl-2-hydroxyacetic acid (benzilic acid)
- `291818` — Chlorobenzilate (ISO)
- `291819` — Other
- `291821` — Salicylic acid and its salts
- `291822` — o-Acetylsalicylic acid, its salts and esters
- `291823` — Other esters of salicylic acid and their salts
- `291829` — Other
- `291830` — Carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives
- `291891` — 2,4,5-T (ISO) (2,4,5-trichlorophenoxyacetic acid), its salts and esters
- `291899` — Other

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Source: https://hscode.eximagent.ai/29/2918
Last updated: 2026-06-03
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