Fastona Orange 3R is a chemical compound, an orange synthetic dye also known as Mono Fast Orange, Hansa Yellow 3RA, CI 11725

Chemical name: 2-[(4-Methoxy-2-nitrophenyl)azo]-3-oxo-N-(o-tolyl)butyramide

What it is used for and where

Cosmetics

Cosmetic ingredient subject to restrictions IV/6 as the relevant item in the Annexes to the European Regulation on Cosmetics No. 1223/2009. Reported substance or ingredient: 2-[(4-Methoxy-2-nitrophenyl)azo]-3-oxo-N-(o-tolyl)butyramide

It’s an ingredient that makes the final product more aesthetically appealing, but can pose a potential risk to human health with unwanted side effects especially when used continuously as it can be absorbed by the skin or mucous membranes.

Safety

It is an ingredient that has some important contraindication regarding the health profile: to be used exclusively in cosmetic products that have contact with the skin for a short time. (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)

Molecular Formula    C₁₈H₁₈N₄O₅

CAS   6371-96-6

EC number    228-901-6

DTXSID20863770

Synonyms: 

Mono Fast Orange

CI 11725

Fastona Orange 3R

Fanchon Orange YH-5

2-[(4-Methoxy-2-nitrophenyl)azo]-3-oxo-N-(o-tolyl)butyramide