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EU Combined Nomenclature CN2026

HS code 2904: I. HYDROCARBONS AND THEIR HALOGENATED, SULPHONATED, NITRATED

Heading 2904 of the EU Combined Nomenclature 2026, in chapter 29, with the official text of every 6-digit subheading and 8-digit CN code below it.

Official description

2904I. HYDROCARBONS AND THEIR HALOGENATED, SULPHONATED, NITRATED OR NITROSATED DERIVATIVES | Sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated

Place in the nomenclature: 29 Organic chemicals > 2904

Explanatory note (Eurostat)

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

Subheadings (6 digits)
10
CN codes (8 digits)
10

Subheadings and CN codes in heading 2904

  • 2904 10Derivatives containing only sulpho groups, their salts and ethyl esters

    Explanatory note (Eurostat): Derivatives of hydrocarbons containing only sulpho groups, their salts and ethyl esters

    • 2904 10 00 Derivatives containing only sulpho groups, their salts and ethyl esters
  • 2904 20Derivatives containing only nitro or only nitroso groups

    Explanatory note (Eurostat): Derivatives of hydrocarbons containing only nitro or nitroso groups

    • 2904 20 00 Derivatives containing only nitro or only nitroso groups
  • 2904 31Perfluorooctane sulphonic acid, its salts and perfluorooctane sulphonyl fluoride | Perfluorooctane sulphonic acid

    Explanatory note (Eurostat): Perfluorooctane sulphonic acid

    • 2904 31 00 Perfluorooctane sulphonic acid
  • 2904 32Perfluorooctane sulphonic acid, its salts and perfluorooctane sulphonyl fluoride | Ammonium perfluorooctane sulphonate

    Explanatory note (Eurostat): Ammonium perfluorooctane sulphonate

    • 2904 32 00 Ammonium perfluorooctane sulphonate
  • 2904 33Perfluorooctane sulphonic acid, its salts and perfluorooctane sulphonyl fluoride | Lithium perfluorooctane sulphonate

    Explanatory note (Eurostat): Lithium perfluorooctane sulphonate

    • 2904 33 00 Lithium perfluorooctane sulphonate
  • 2904 34Perfluorooctane sulphonic acid, its salts and perfluorooctane sulphonyl fluoride | Potassium perfluorooctane sulphonate

    Explanatory note (Eurostat): Potassium perfluorooctane sulphonate

    • 2904 34 00 Potassium perfluorooctane sulphonate
  • 2904 35Perfluorooctane sulphonic acid, its salts and perfluorooctane sulphonyl fluoride | Other salts of perfluorooctane sulphonic acid

    Explanatory note (Eurostat): Salts of perfluorooctane sulphonic acid (excl. ammonium, lithium and potassium perfluorooctane sulphonates)

    • 2904 35 00 Other salts of perfluorooctane sulphonic acid
  • 2904 36Perfluorooctane sulphonic acid, its salts and perfluorooctane sulphonyl fluoride | Perfluorooctane sulphonyl fluoride

    Explanatory note (Eurostat): Perfluorooctane sulphonyl fluoride

    • 2904 36 00 Perfluorooctane sulphonyl fluoride
  • 2904 91Other | Trichloronitromethane (chloropicrin)

    Explanatory note (Eurostat): Trichloronitromethane "chloropicrin"

    • 2904 91 00 Trichloronitromethane (chloropicrin)
  • 2904 99Other | Other

    Explanatory note (Eurostat): Sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated (excl. those containing only sulpho, nitro or nitroso groups, trichloronitromethane "chloropicrin", perfluorooctane sulphonic acid and its salts, perfluorooctane sulphonyl fluoride and esters of glycerol formed with acid-function compounds)

    • 2904 99 00 Other

The first 6 digits are the Harmonized System, shared worldwide: a US HTS code that starts with the same 6 digits sits under the same subheading. The last 2 digits are the EU's own CN split.

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Not a binding classification

These pages show the official texts for reference. They are not a binding classification: check the code with your customs broker, or ask your customs authority for Binding Tariff Information (BTI).

Source

Source: EU Combined Nomenclature 2026 (Commission Implementing Regulation (EU) 2025/1926), © European Union, https://eur-lex.europa.eu/. Reformatted by WISEPIM: indent dashes removed and parent lines joined. Only the Official Journal is authentic.