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

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Article No.
03856
Grade
Purity
CAS No.
518-47-8
Molecular Formula
C20H10Na2O5
Molecular Weight
376.28
H.S. Code
3204.9000
Shelf Life
60 Months
MSDS
 

 

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

  • 1PB1200060

    25 g (00025)

  • 1PB1200200

    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
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