Fluorescein (sodium)
Fluorescein (Uranine) sodium is widely used as a fluorescent tracer in medicinal and biological applications and tumor infected tissues tracer. Fluorescein (Uranine) sodium is a representative green fluorophore that has been widely used as a scaffold of practically useful green fluorescent probes[1][2].
Product Specifications
CAS Number
518-47-8
Product Name Alternative
Uranine (sodium)
UNSPSC
12171500
Hazard Statement
H302, H315, H319, H335
Target
Fluorescent Dye
Type
Dye Reagents
Related Pathways
Others
Field of Research
Cancer
Assay Protocol
https://www.medchemexpress.com/fluorescein-sodium.html
Purity
95.36
Solubility
H2O : 25 mg/mL (ultrasonic; warming; heat to 60°C)
Smiles
O=C1OC2(C3=C(OC4=C2C=CC(O[Na])=C4)C=C(O[Na])C=C3)C5=C1C=CC=C5
Molecular Formula
C20H10Na2O5
Molecular Weight
376.27
Precautions
H302, H315, H319, H335
References & Citations
[1]Hirabayashi K, et al. Analysis of chemical equilibrium of silicon-substituted fluorescein and its application to develop a scaffold for red fluorescent probes. Anal Chem. 2015;87 (17) :9061-9069. |[2]Negm NA, et al. Fluorescein dye derivatives and their nanohybrids: Synthesis, characterization and antimicrobial activity. J Photochem Photobiol B. 2016;162:421-433.
Shipping Conditions
Room Temperature
Storage Conditions
Store at room temperature, keep dry and cool
Scientific Category
Dye Reagents
Clinical Information
Launched
Citation 01
Brain Res Bull. 2025 Sep:229:111479.|Gene. 2025 Jan 27:149292.|J Agric Food Chem. 2025 Jul 16;73 (28) :17696-17712.|J Neurosurg. 2018 Sep 7;131 (3) :724-734.|Sci Bull. 2024 Mar 15;69 (5) :621-635.|Brain Res. 2024 Jul 15:1835:148919.|Cell Death Dis. 2023 Feb 7;14 (2) :91.|Commun Biol. 2025 Apr 26;8 (1) :667.|Dev Dyn. 2025 Jun;254 (6) :513-537.|J Otol. 2025 Nov 13;20 (4) :211-218.|Med Mol Morphol. 2025 Nov 10.
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