Acid Orange 7
A cosmetic ingredient used as hair dyeing in skincare, haircare, and personal-care products sold in the European Union.
What is it?
Sodium 4-[(2-hydroxy-1-naphthyl)azo]benzenesulphonate (CI 15510)
What does it do?
Acid Orange 7 is listed in the EU cosmetic ingredient inventory with the following declared functions:
-
Hair dyeing
colours hair, either by depositing pigment on the surface or by chemically altering the hair's natural pigment
EU regulatory status
Acid Orange 7 is allowed for use in cosmetic products in the European Union under Regulation 1223/2009. It is not subject to a specific Annex restriction at the time of writing.
Frequently asked questions
What is Acid Orange 7?
Acid Orange 7 is a cosmetic ingredient catalogued in the EU CosIng database. Sodium 4-[(2-hydroxy-1-naphthyl)azo]benzenesulphonate (CI 15510)
Is Acid Orange 7 allowed in cosmetics in the EU?
Yes. Acid Orange 7 is allowed for use in cosmetic products in the EU under Regulation 1223/2009.
What does Acid Orange 7 do in cosmetic products?
Acid Orange 7 is declared in the EU cosmetic ingredient inventory with these functions: hair dyeing.
What is the CAS number of Acid Orange 7?
The CAS (Chemical Abstracts Service) number for Acid Orange 7 is 633-96-5.
Related ingredients
Source: EU CosIng database (European Commission). This page is derived from public-sector information published by the European Commission. · Last updated: 13/08/2020