HS code 2815: IV. INORGANIC BASES AND OXIDES, HYDROXIDES
Heading 2815 of the EU Combined Nomenclature 2026, in chapter 28, with the official text of every 6-digit subheading and 8-digit CN code below it.
Official description
2815IV. INORGANIC BASES AND OXIDES, HYDROXIDES AND PEROXIDES OF METALS | Sodium hydroxide (caustic soda); potassium hydroxide (caustic potash); peroxides of sodium or potassium
Place in the nomenclature: 28 Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes > 2815
Explanatory note (Eurostat)
Sodium hydroxide "caustic soda", potassium hydroxide "caustic potash"; peroxides of sodium or potassium
- Subheadings (6 digits)
- 4
- CN codes (8 digits)
- 4
Subheadings and CN codes in heading 2815
- 2815 11Sodium hydroxide (caustic soda) | Solid
- 2815 11 00 Solid
- 2815 12Sodium hydroxide (caustic soda) | In aqueous solution (soda lye or liquid soda)
- 2815 12 00 In aqueous solution (soda lye or liquid soda)
- 2815 20Potassium hydroxide (caustic potash)
- 2815 20 00 Potassium hydroxide (caustic potash)
- 2815 30Peroxides of sodium or potassium
- 2815 30 00 Peroxides of sodium or potassium
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.