A yellow fluorescent xanthene colorant listed in Annex IV.
What it is
CI 45350 is the Colour Index number of the disodium salt of fluorescein, also known as uranine, a yellow colorant of the xanthene class that shows strong green fluorescence in solution. CosIng lists it as a colorant. In the EU it is listed in Annex IV (colorants).
Where it is used
Found in shampoos, shower gels, bath products and other coloured products.
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. Colorants are named by CI number and may appear in any order.
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 74Disodium 2-(3-oxo-6-oxidoxanthen-9-yl)benzoate
- As of
- 3 November 2026 · (EC) 2009/1223
EU · Annex II, entry 13322-(6-Hydroxy-3-oxo-(3H)xanthen-9-yl)benzoic acid; Fluorescein and its disodium salt (Acid Yellow 73 sodium salt; CI 45350), when used as a substance in hair dye products
- As of
- 3 November 2026 · (EC) 2013/344