Fluorescein sodium (C.I. 45350), Laboratory chemicals, Laboratory Chemicals manufacturer, Laboratory chemicals india, Laboratory Chemicals directory, elabmart
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LC2709 Fluorescein sodium (C.I. 45350)

extra pure

 

Order number Packaging Quantity Price €
AC29709 Metal can 1 kg Inquire

 

Product information
Hill Formula C20H10Na2O5
HS Code 3204 12 00
EC number 208-253-0
Molar mass 376.27 g/mol
CAS number 518-47-8

 

Chemical and physical data
Solubility 500 g/l (20 °C)
Melting point >300 °C
Molar mass 376.27 g/mol
Bulk density 600 kg/m3
pH value 8.3 (10 g/l, H2O, 20 °C)

 

Safety information
RTECS LM5425000
Storage class 10 – 13 Other liquids and solids
WGK WGK 1 slightly water endangering
Disposal 3
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.

 

Toxicological data
LD 50 oral LD50 rat 6720 mg/kg

 

Specifications
Assay (gravimetrically; calc. on dried substance) ≥ 98 %
Identity
– UV/VIS-Spectrum
passes test
– IR-spectrum passes test
pH (20 g/l, water) 7.0 – 9.0
Absorption maximum λ max (buffer pH 8.0) 490 – 492 nm
Spec. Absorptivity A 1%/1cm (λ7m7ax; 0.005 g/l; buffer pH 8.0; calc. on dried substance) ≥ 1950
As (Arsenic) ≤ 0.0002 %
Cd (Cadmium) ≤ 0.001 %
Cu (Copper) ≤ 0.01 %
Pb (Lead) ≤ 0.002 %
Zn (Zinc) ≤ 0.01 %
Acriflavine passes test
TLC-Test passes test
Loss on drying (110 °C) ≤ 10 %

 

Fluorescein sodium (C.I. 45350), Laboratory chemicals, Laboratory Chemicals manufacturer, Laboratory chemicals india, Laboratory Chemicals directory, elabmart