ACID ORANGE 3

Banned in specific cases CAS: 6373-74-6CosIng #31618

ACID ORANGE 3 must not be used as a substance in hair dye products in the EU — Annex II, entry 1280 of Regulation (EC) No 1223/2009. The prohibition is limited to that use; the entry is quoted in full below.

Regulatory data checked on 2026-09-05. The legal status follows Regulation (EC) No 1223/2009 and its annexes; the substance is identified from the European Commission's CosIng database.

About the ingredient

Sodium 2-anilino-5-(2,4-dinitroanilino)benzenesulphonate (CI 10385)

EU regulatory status

Annex of Regulation (EC) No 1223/2009: II/1280

Benzenesulfonic acid, 5-[(2,4-dinitrophenyl]amino]-2-(phenylamino)-, and its salts, when used as a substance in hair dye products

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 ACID ORANGE 3 safe in cosmetics?

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  • In which annex of Regulation 1223/2009 does ACID ORANGE 3 fall?

    ACID ORANGE 3 falls under reference II/1280 in the annexes of Regulation (EC) No 1223/2009 on cosmetic products. An annex entry may name a substance directly or cover it as part of a broader category. 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 ORANGE 3 perform in cosmetics?

    According to the European Commission's CosIng database, ACID ORANGE 3 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 ORANGE 3?

    Our copy of the EU Safety Gate database currently contains no alerts linking ACID ORANGE 3 to a cosmetic recall. The database is refreshed regularly from the European Commission's official Safety Gate system.

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