Fluorescein is a chemical compound, a synthetic dye known by the name of Acid Yellow 73, CI 45350.
It contains a xanthene core that makes the colour fluorescent.
Chemical Name:
disodium;2-(3-oxido-6-oxoxanthen-9-yl)benzoate
What it is used for and where
Cosmetics
Restricted cosmetic ingredient as IV/74 (CI 45350) II/1332 (Acid Yellow 73 sodium salt; CI 45350) a Relevant Item in the Annexes of the European Cosmetics Regulation 1223/2009. Substance or ingredient reported: Disodium 2-(3-oxo-6-oxidoxanthen-9-yl)benzoate
Cosmetics - INCI Functions
Colorant. This ingredient has the function of colouring the solution in which it is inserted in a temporary, semi-permanent or permanent manner, either alone or in the presence of the complementary components added for colouring.
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Molecular Formula C20H10Na2O5
Molecular Weight
CAS 518-47-8 2321-07-5 6417-85-2
EC number 208-253-0 219-031-8 229-143-9
UNII 93X55PE38X
DTXSID9025328
Synonyms:
Acid Yellow 73
CI 45350
D&C Yellow No. 8
Uranine
Uranine K
