Cosmetic ingredient

CI 19140

CI 19140 is a dye in the chemical class of pyrazole colours. It is also known as tartrazine yellow colour 19140, a localized name for the same substance used to provide colour in cosmetic formulations.

Molecular structure of CI 19140
2D molecular structure
CAS number
1934-21-0
EC number
217-699-5
Molecular formula
C16H9N4Na3O9S2
Molecular weight
534.4
Chemical name
Trisodium 5-hydroxy-1-(4-sulphophenyl)-4-(4-sulphophenylazo)pyrazole-3-carboxylate
InChIKey
UJMBCXLDXJUMFB-UHFFFAOYSA-K

CI 19140: what it is

CI 19140 is a dye in the chemical class of pyrazole colours. It is also known as tartrazine yellow colour 19140, a localized name for the same substance used to provide colour in cosmetic formulations.

CI 19140: what it does in cosmetics

In a formula, CI 19140 functions as a colorant and may be used in hair-dyeing products. These roles describe its colour-related use: it contributes to the colour of the product or to the colouring of the hair.

CI 19140: conditions and care

The use of CI 19140 is linked to restriction entries IV/44 and III/189 listed for this ingredient. These codes indicate that specific regulatory conditions apply to its use in cosmetics.

Use limits

Restrictions and conditions of use

Cosmetic restriction
IV/44 (CI 19140) III/189 (Acid Yellow 23; Acid Yellow 23 Aluminum lake)
Catalogue presence

Products containing this ingredient

See which products include it and the name used in each composition.