# 2904 — Sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated

HS code 2904 classifies Sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated. 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:** `2904`

## Description

Sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated

## Subheadings

- `290410` — Derivatives containing only sulpho groups, their salts and ethyl esters
- `290420` — Derivatives containing only nitro or only nitroso groups
- `290431` — Perfluorooctane sulphonic acid
- `290432` — Ammonium perfluorooctane sulphonate
- `290433` — Lithium perfluorooctane sulphonate
- `290434` — Potassium perfluorooctane sulphonate
- `290435` — Other salts of perfluorooctane sulphonic acid
- `290436` — Perfluorooctane sulphonyl fluoride
- `290491` — Trichloronitromethane (chloropicrin)
- `290499` — Other

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Source: https://hscode.eximagent.ai/29/2904
Last updated: 2026-06-03
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