ACID BLUE 74
ACID BLUE 74 is approved in cosmetics in the EU as a colourant — Annex IV, entry 99 of Regulation (EC) No 1223/2009. Review the permitted product categories and Safety Gate alerts.
Regulatory status as of 2026-08-28 (per the CosIng database).
About the ingredient
Disodium 5,5'-(2-(1,3-dihydro-3-oxo-2H-indazol-2-ylidene)-1,2-dihydro-3H-indol-3-one)disulphonate (CI 73015)
EU regulatory status
Annex of Regulation (EC) No 1223/2009: IV/99
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.
- View the entry in the CosIng database (European Commission)
- Open Regulation 1223/2009 in EUR-Lex
- Check the chemical profile in PubChem
Last updated:
Functions in cosmetics
Frequently asked questions
Is ACID BLUE 74 safe in cosmetics?
ACID BLUE 74 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 ACID BLUE 74 listed?
ACID BLUE 74 is listed under reference IV/99 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 ACID BLUE 74 perform in cosmetics?
According to the European Commission's CosIng database, ACID BLUE 74 performs the following functions in cosmetics: HAIR DYEING. 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 ACID BLUE 74?
Our copy of the EU Safety Gate database currently contains no alerts linking ACID BLUE 74 to a cosmetic recall. The database is refreshed regularly from the European Commission's official Safety Gate system.