CI 11920

Annex IV–VI CAS: 2051-85-6CosIng #32700

CI 11920 is approved in the EU as a special-purpose additive – a colorant (Annex IV), preservative (Annex V) or UV filter (Annex VI) of Regulation (EC) No 1223/2009. Review the permitted product categories, limits and Safety Gate alerts.

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

About the ingredient

4-(Phenylazo)resorcinol

EU regulatory status

Annex of Regulation (EC) No 1223/2009: IV/7 (CI 11920)

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 CI 11920 safe in cosmetics?

    CI 11920 is included on the EU positive list of special-purpose additives (Annex IV – colorants, Annex V – preservatives, or Annex VI – UV filters of Regulation (EC) No 1223/2009). It may be used in cosmetics under the conditions laid down for the relevant annex: permitted product categories, maximum concentration and required warnings.

  • In which annex of Regulation 1223/2009 is CI 11920 listed?

    CI 11920 is listed under reference IV/7 (CI 11920) 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 CI 11920 perform in cosmetics?

    According to the European Commission's CosIng database, CI 11920 performs the following functions in cosmetics: COLORANT. 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 CI 11920?

    Our copy of the EU Safety Gate database currently contains no alerts linking CI 11920 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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