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Lab Chemicals
Adsorption Indicators
FLUORESCEIN SODIUM
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, NaFl, NaFluo, Sodium fluorescein, Uranine
Article No.
03856
Grade
Purity
CAS No.
518-47-8
Molecular Formula
C
2
0
H
1
0
Na
2
O
5
Molecular Weight
376.28
H.S. Code
3204.9000
Shelf Life
60 Months
MSDS
DE
EN
FR
KO
PT
ES
TH
TR
Certificate of Analysis (COAs)
Physical Properties
Physical state at 20 °C
Solid
Colour
Dark red crystalline
Odour
Odorless
pH value
8.3 at 10 g/l at 20 °C
Melting point/ Freezing point [°C]
> 300 °C
Solubility in water [% weight]
500 g/l at 20 °C
Partition coefficient Log Pow octanol / water at 20°C
-0.67
Packings
25 g
(00025)
100 g
(00100)
1000 g
(01000)
Specifications
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 λmax; buffer pH 8.0)
Min 1700
Safety Information and Hazard Symbols
Safety Statement: 22-24/25
Revision Date :
20-Mar-2017