C18-21 ALKANE

Banned in the EU CAS: 64742-46-7;CosIng #54903

C18-21 ALKANE is banned in cosmetics within the EU under Annex II of Regulation (EC) No 1223/2009. Review the regulatory details and recent Safety Gate alerts.

Regulatory status as of 2026-08-28 (per the CosIng database).

About the ingredient

C18-21 Alkane is a mixture of alkanes with 18 to 21 carbons in the alkyl chain.

EU regulatory status

Annex of Regulation (EC) No 1223/2009: II/875 Distillates (petroleum), hydrotreated middle, except if the full refining history is known and it can be shown that the substance from which it is produced is not a carcinogen.

Source: the European Commission's official CosIng database and Regulation (EC) No 1223/2009 of the European Parliament and of the Council on cosmetic products. How we assess ingredients — full methodology.

Last updated:

Functions in cosmetics

Frequently asked questions

  • Is C18-21 ALKANE safe in cosmetics?

    C18-21 ALKANE is banned in the EU under Annex II of Regulation (EC) No 1223/2009 and may not be used in cosmetics placed on the EU market. Cosmetics containing this substance are withdrawn by national inspectorates and reported to the EU Safety Gate database.

  • In which annex of Regulation 1223/2009 is C18-21 ALKANE listed?

    C18-21 ALKANE is listed under reference II/875 Distillates (petroleum), hydrotreated middle, except if the full refining history is known and it can be shown that the substance from which it is produced is not a carcinogen. in the annexes of Regulation (EC) No 1223/2009 on cosmetic products. The first part (Roman numeral) indicates the annex: II – prohibited substances, III – substances restricted by conditions, IV – permitted colorants, V – permitted preservatives, VI – permitted UV filters.

  • What functions does C18-21 ALKANE perform in cosmetics?

    According to the European Commission's CosIng database, C18-21 ALKANE performs the following functions in cosmetics: SOLVENT. Functions are defined in the CosIng glossary and describe the technological role of a substance in the finished product.

  • Are there Safety Gate alerts concerning C18-21 ALKANE?

    Our copy of the EU Safety Gate database currently contains no alerts linking C18-21 ALKANE to a cosmetic recall. The database is refreshed regularly from the European Commission's official Safety Gate system.

Want to know when a cosmetic on your shelf gets recalled?

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