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Qu'est-ce (qui) est Xanthen - définition
IODO-DERIVATIVE OF FLUORONE USED AS A PINK DYE
FD&C Red 3; Red 3; Eythrosine; FD&C Red No. 3; Erythrosine B; C20H6I4Na2O5; Acid Red 51; Red No. 3; Erythrosin; E127 (E number); Red dye 3; Red Number 3; 2-(6-Hydroxy-2,4,5,7-tetraiodo-3-oxo-xanthen-9-yl)benzoic acid
Erythrosin
·noun A red substance formed by the oxidation of tyrosin.
II. Erythrosin ·noun A red dyestuff obtained from fluorescein by the action of iodine.
Fluorescin
![UV]] illumination](https://commons.wikimedia.org/wiki/Special:FilePath/Florescein.jpg?width=200 "UV]] illumination")
![splashdown]], June 1965.](https://commons.wikimedia.org/wiki/Special:FilePath/Gemini 4 Recovery with Green Marker Dye - GPN-2000-001409.jpg?width=200 "splashdown]], June 1965.")
SYNTHETIC ORGANIC COMPOUND USED AS DYE AND FLUORESCENT TRACER
Fluorescein sodium; Fluorescin; Fluoresceins; Fluorescein-5-isothiocyanate; C.I. 45350; Japan yellow 201; Angiofluor; Resorcinolphthalein; Soap yellow; Solvent yellow 94; Sodium fluorescein; Flourescein; C20H12O5; Uranine; ATC code S01JA01; ATCvet code QS01JA01; Acid Yellow 73; Funduscein-25; Uranin; Fluorescine; Uranine yellow; Sodium fluorescent; Fluorescein dye
·noun A colorless, amorphous substance which is produced by the reduction of fluorescein, and from which the latter may be formed by oxidation.
Fluorescein
SYNTHETIC ORGANIC COMPOUND USED AS DYE AND FLUORESCENT TRACER
Fluorescein sodium; Fluorescin; Fluoresceins; Fluorescein-5-isothiocyanate; C.I. 45350; Japan yellow 201; Angiofluor; Resorcinolphthalein; Soap yellow; Solvent yellow 94; Sodium fluorescein; Flourescein; C20H12O5; Uranine; ATC code S01JA01; ATCvet code QS01JA01; Acid Yellow 73; Funduscein-25; Uranin; Fluorescine; Uranine yellow; Sodium fluorescent; Fluorescein dye
·noun A yellowish red, crystalline substance, C20H12O5, produced by heating together phthalic anhydride and resorcin;
- so called, from the very brilliant yellowish green fluorescence of its alkaline solutions. It has acid properties, and its salts of the alkalies are known to the trade under the name of uranin.
Wikipédia
Erythrosine
Erythrosine, also known as Red No. 3, is an organoiodine compound, specifically a derivative of fluorone. It is a pink dye which is primarily used for food coloring. It is the disodium salt of 2,4,5,7-tetraiodofluorescein. Its maximum absorbance is at 530 nm in an aqueous solution, and it is subject to photodegradation.
