Chemical Name: Fluorescein
Synonyms: osin; 2-(6-Hydroxy-3-oxo-(3H)-xanthen-9-yl)benzoic acid
Product Typical Properties
|Maximum suction wavelength, λ (PH8.0), nm||490.0-493|
|Mass absorption fraction,
λ (PH8.0), L/cm•g
|Loss on drying||≤5.0|
The appearance of fluorescein is orange or light orange crystalline powder. Melting point 314-316 ℃ (decomposition). It is soluble in hot ethanol, glacial acetic acid and alkali solution, showing green fluorescence, and insoluble in water, benzene, chloroform and ether. It is a synthetic organic photosensitive dye compound.
- Fluorescein is an intermediate of amalgam red, which can be used as a fluorometric reagent for the determination of chlorine, bromine, iodine and sulfur ions; Oxidation-reduction indicator reagent; Biological stain.
- Fluorimetric analysis of sulfur ion, test of bromine, titration of chlorine, bromine and iodine. Adsorption indicator, redox indicator.
- Adsorption indicator; Oxidation-reduction indicator; Fluorimetric analysis of sulfur ion; Titration of chlorine, bromine and iodine
Please store in a dry, cool and dark place