Pigment Red 7 is a chemical compound, a red synthetic dye also known as CI 12420

Nome chimico: 

N-(4-chloro-2-methylphenyl)-4-[(4-chloro-2-methylphenyl)diazenyl]-3 hydroxynaphthalene-2-carboxamide

What it is used for and where

Cosmetics

It is an ingredient that makes the final product more attractive from an aesthetic point of view, but can pose a potential health risk with undesirable side effects especially when used continuously as it can be absorbed through the skin or mucous membranes.

Restricted cosmetic ingredient as IV/12 a Relevant Item in the Annexes of the European Cosmetics Regulation 1223/2009. Substance or ingredient reported:    N-(4-Chloro-2-methylphenyl)-4-[(4-chloro-2-methylphenyl)azo]-3-hydroxynaphthalene-2-carboxamide. (Document 32009R1223. Regulation (EC) No 1223/2009 of the European Parliament and of the Council of 30 November 2009 on cosmetic products (recast) (Text with EEA relevance)

Safety

It is an ingredient that has some important health-related contraindications: it should only be used in cosmetic products that have contact with the skin for a short time.

Molecular Formula    C₂₅H₁₉Cl₂N₃O₂

Molecular Weight    464.3 g/mol

CAS    6471-51-8

EC number 229-315-3

UNII 5Z5A89AQ44

DTXSID5064382

Synonyms: 

CI 12420

NAPHTHOL CRIMSON RED AS-TR

PERMANENT CARMINE

PERMANENT CRIMSON