Allowed in EU · Annex IV

Ci 42520

A cosmetic ingredient used as colorant, hair dyeing in skincare, haircare, and personal-care products sold in the European Union.

What is it?

4-[(4-Amino-m-tolyl)(4-imino-3-methylcyclohexa-2,5-dien-1-ylidene)methyl]-o-toluidine monohydrochloride

What does it do?

Ci 42520 is listed in the EU cosmetic ingredient inventory with the following declared functions:

  • Colorant

    imparts colour to a cosmetic product

  • Hair dyeing

    colours hair, either by depositing pigment on the surface or by chemically altering the hair's natural pigment

EU regulatory status

Ci 42520 is listed in Annex IV of EU Cosmetics Regulation 1223/2009 as a substance permitted for the corresponding category of use.

Frequently asked questions

What is Ci 42520?

Ci 42520 is a cosmetic ingredient catalogued in the EU CosIng database. 4-[(4-Amino-m-tolyl)(4-imino-3-methylcyclohexa-2,5-dien-1-ylidene)methyl]-o-toluidine monohydrochloride

Is Ci 42520 allowed in cosmetics in the EU?

Yes. Ci 42520 is allowed for use in cosmetic products in the EU under Regulation 1223/2009.

What does Ci 42520 do in cosmetic products?

Ci 42520 is declared in the EU cosmetic ingredient inventory with these functions: colorant, hair dyeing.

What is the CAS number of Ci 42520?

The CAS (Chemical Abstracts Service) number for Ci 42520 is 3248-91-7.

Related ingredients

Source: EU CosIng database (European Commission). This page is derived from public-sector information published by the European Commission. · Last updated: 14/08/2020