FLUORESCEIN SODIUM

C.I.No.45350 Sodium fluorescein is used as a fluorescent tracer to study blood-brain barrier (BBB) and blood-spinal cord barrier (BSCB) permeability in rodent models. Acid Yellow 73, Na Fl, Na Fluon, Sodium fluorescein, Uranine

Product CodeB-01236BRANDBio-Chem
GradeCAS No518-47-8
Purity98 %Molecular Weight169.23
H.S.Code3204.90000Shelf Life60 Months
Molecular FormulaC20H10Na2O5

Physical Properties

Physical state at 20 °CSolidColourDark Red Crystalline
Melting point/ Freezing point [°C]>300 °CpH Vaalue8.3 at 10 g/l at 20 °C
Solubility in water [% weight]500 g/l at 20 °CPartition coefficient Log Pow octanol / water at 20°C3.5

Packaging

Specification

Appearance
Orange-red to green-brown to dark brown powder
Identity (IR)
Confirms to structure
Loss on drying (at 105°C)
Max 10.0%
Absorption maxima (in buffer pH 8.0)
488 to 491 nm
UV absorbance ratio (P-15/P+15)
1.2 – 1.7
Specific absorptivity 1%/1cm (at lmax; buffer pH 8.0)
Min 1700

Safety Information and Hazard Symbols

Symbol: GHS06, GHS08, GHS09
Signal Word: Danger
Packing Group: III
Hazardous Statement: H301-H311-H331-H373-H410
Precaution Statement: P261-P273-P280-P301 + P310-P311-P501

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