INCI name

CI 11680

CI 11680 (Pigment Yellow 1)

Colorantreviewed

A yellow azo pigment regulated in Annex IV.

What it is

CI 11680 is the Colour Index number of a yellow pigment of the monoazo class, 2-[(4-methyl-2-nitrophenyl)azo]-3-oxo-N-phenylbutyramide. CosIng lists it as a colorant. In the EU it is listed in Annex IV (colorants); according to that entry it must not be used in products applied on mucous membranes.

Where it is used

Found in nail polishes, soaps, bath products and other coloured products not applied to mucous membranes.

Limits of interpretation

The INCI list shows which ingredients are present, not how much of each. Above 1%, ingredients are listed in descending order of weight; below 1% the order is free.

See the EU regulation section for the applicable limits and conditions. The label does not show the amount of colorant used.

Functions

Colorant
Exclusively or mainly intended to colour the cosmetic product, the body as a whole or certain parts thereof, by absorption or reflection of visible light; (precursors of oxidative hair colorants shall be deemed colorants). All authorised colorants are substances in the positive list of Annex IV to the Cosmetics Regulation 1223/2009.

EU regulation

EU · Annex IV, entry 42-[(4-Methyl-2-nitrophenyl)azo]-3-oxo-N-phenylbutyramide
Maximum concentration
Not to be used in products applied on mucous membranes
As of
3 November 2026 · (EC) 2009/1223

Products with this ingredient (10)

Check a full ingredient list