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  6. Thermo Scientific Chemicals Fluorescein, disodium salt, pure

Thermo Scientific Chemicals Fluorescein, disodium salt, pure

Product Code. p-4510488 Shop All Thermo Scientific Chemicals Products
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Quantity:
100 g
500 g
2.5 kg
Packaging:
Glass Bottle
Plastic drum
Unit Size:
100g
2.5kg
500g
Product Code. Quantity Packaging unitSize
10387590 100 g Glass Bottle 100g
10206090 500 g Glass Bottle 500g
11946941 2.5 kg Plastic drum 2.5kg
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Product Code. 10387590

Brand: Thermo Scientific Chemicals 173241000

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Description

CAS: 518-47-8 | C20H10Na2O5 | 376.28 g/mol

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.

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Chemical Identifiers

CAS 518-47-8
Molecular Formula C20H10Na2O5
Molecular Weight (g/mol) 376.28
MDL Number MFCD00167039
InChI Key NJDNXYGOVLYJHP-UHFFFAOYSA-L
IUPAC Name disodium 2-(6-oxido-3-oxo-3H-xanthen-9-yl)benzoate
SMILES [Na+].[Na+].[O-]C(=O)C1=CC=CC=C1C1=C2C=CC(=O)C=C2OC2=CC([O-])=CC=C12

Specifications

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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