Pigment red 172 aluminium lake (inci)

Author: Prof. Dr. med. Peter Altmeyer

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Last updated on: 29.10.2020

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Synonym(s)

2-(3,6-dihydroxy-2,4,5,7-tetraiodoxanthene-9-yl)benzoic acid, aluminium salt; CAS number: 12227-78-0; (CI 45430); Erythrosine lake; Food red 11 Aluminium lacquer

Definition
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Pigment red 172 aluminium lake is an organic red colouring compound used in cosmetics as hair dye.

Note(s)
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The framework conditions for colorants that may be used in cosmetics are laid down in the EC Cosmetics Regulation (1223/2009) Annex IV.

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Last updated on: 29.10.2020