Description

CI 27290 is a chemical compound, a disazo synthetic red dye also known by the name Acid red 73

Chemical name: disodium;7-hydroxy-8-[(4-phenyldiazenylphenyl)diazenyl]naphthalene-1,3-disulfonate

Molecular Formula C22H14N4Na2O7S2

Safety.
The problem associated with azo dyes (monoazo or diazo) is photocatalytic degradation leading to eventual oxidation and subsequent formation of impurities such as aromatic amines some of which have carcinogenic activity.

What it is used for and where
Cosmetics
Colorant to avoid. 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.
Synonyms: EC number 226-502-1
UNII 5PLA82FV3C
DTXSID1041712
D&C Red No. 17
Woodstain Scarlet
Crocein Scarlet 3B
1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-((4-(phenylazo)phenyl)azo)-, disodium salt
Trade name:

CAS: 5413-75-2