# 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, its salts and perfluorooctane sulphonyl fluoride — Perfluorooctane sulphonic acid
- `290432` — Perfluorooctane sulphonic acid, its salts and perfluorooctane sulphonyl fluoride — Ammonium perfluorooctane sulphonate
- `290433` — Perfluorooctane sulphonic acid, its salts and perfluorooctane sulphonyl fluoride — Lithium perfluorooctane sulphonate
- `290434` — Perfluorooctane sulphonic acid, its salts and perfluorooctane sulphonyl fluoride — Potassium perfluorooctane sulphonate
- `290435` — Perfluorooctane sulphonic acid, its salts and perfluorooctane sulphonyl fluoride — Other salts of perfluorooctane sulphonic acid
- `290436` — Perfluorooctane sulphonic acid, its salts and perfluorooctane sulphonyl fluoride — Perfluorooctane sulphonyl fluoride
- `290491` — Other — Trichloronitromethane (chloropicrin)
- `290499` — Other — Other

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