Acid Red 52
A cosmetic ingredient used as hair dyeing in skincare, haircare, and personal-care products sold in the European Union.
What is it?
Hydrogen 3,6-bis(diethylamino)-9-(2,4-disulphonatophenyl)xanthylium, sodium salt (CI 45100)
What does it do?
Acid Red 52 is listed in the EU cosmetic ingredient inventory with the following declared functions:
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Hair dyeing
colours hair, either by depositing pigment on the surface or by chemically altering the hair's natural pigment
EU regulatory status
This ingredient is restricted in the European Union.
Acid Red 52 is listed under Annex III of EU Cosmetics Regulation 1223/2009 (entry 193IV). It is permitted only under specific conditions, concentration limits, or in particular product types.
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Frequently asked questions
What is Acid Red 52?
Acid Red 52 is a cosmetic ingredient catalogued in the EU CosIng database. Hydrogen 3,6-bis(diethylamino)-9-(2,4-disulphonatophenyl)xanthylium, sodium salt (CI 45100)
Is Acid Red 52 allowed in cosmetics in the EU?
Only with restrictions. Acid Red 52 is permitted in EU cosmetics only under specific conditions defined in Annex III of Regulation 1223/2009.
What does Acid Red 52 do in cosmetic products?
Acid Red 52 is declared in the EU cosmetic ingredient inventory with these functions: hair dyeing.
What is the CAS number of Acid Red 52?
The CAS (Chemical Abstracts Service) number for Acid Red 52 is 3520-42-1.
Related ingredients
Source: EU CosIng database (European Commission). This page is derived from public-sector information published by the European Commission. · Last updated: 12/08/2020