INCI
Cosmetic ingredient

ACID YELLOW 23

ACID YELLOW 23 is a cosmetic ingredient name. HAIR DYEING. CAS 1934-21-0.

INCIAC0 products
CAS number
1934-21-0
EC number
217-699-5
Chemical name
Trisodium 5-hydroxy-1-(4-sulphophenyl)-4-(4-sulphophenylazo)pyrazole-3-carboxylate (CI 19140)

Chemical description

Acid Yellow 23 is classed chemically as a pyrazole colour. It conforms to the formula:

Recorded conditions

Restrictions and conditions of use

Cosmetic restriction
III/189 IV/44
Catalogue presence

Products containing this ingredient

The list follows the composition declared by the source record and preserves the name found there.

No catalogue product was linked to this ingredient.