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Thermo Scientific Chemicals Fluorescein, disodium salt, pure

Catalog Number p-4510488
Click to view available options
Quantity:
100 g
500 g
2.5 kg
Packaging:
Glass Bottle
Plastic drum
518-47-8
C20H10Na2O5
376.28
MFCD00167039
NJDNXYGOVLYJHP-UHFFFAOYSA-L
disodium 2-(6-oxido-3-oxo-3H-xanthen-9-yl)benzoate
[Na+].[Na+].[O-]C(=O)C1=CC=CC=C1C1=C2C=CC(=O)C=C2OC2=CC([O-])=CC=C12
518-47-8
C20H10Na2O5
376.28
MFCD00167039
NJDNXYGOVLYJHP-UHFFFAOYSA-L
disodium 2-(6-oxido-3-oxo-3H-xanthen-9-yl)benzoate
[Na+].[Na+].[O-]C(=O)C1=CC=CC=C1C1=C2C=CC(=O)C=C2OC2=CC([O-])=CC=C12

This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Indicator
TRUSTED_SUSTAINABILITY
Absorbance 1700 (at lambda max.) min.
Melting Point 320.0°C
Absorption Ratio 1.2 to 1.7
Beilstein 19, V,6, 456
Merck Index 15, 4192
Synonym Acid Yellow 73, Fluorescein, water soluble, Uranine, C.I. 45350
Solubility Information Solubility in water: 500g/L (20°C). Other solubilities: slightly soluble in alcohol
Infrared Spectrum Authentic
Lambda Max 488 to 491nm (in buffer pH 8)
Formula Weight 376.27
Loss on Drying 10% (105°C) max.
Grade Pure
Packaging Glass Bottle
Color Brown to Orange/Red or Brown/Green
Quantity 100 g
Physical Form Powder
Chemical Name or Material Fluorescein, disodium salt
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Hazard Category Warning
Precautionary Statement Emergency Overview
Irritating to eyes. May cause skin and respiratory tract irritation.
NFPA
Health: 2
Flammability:

RUO – Research Use Only

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