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BGC ID: 776747945941-67
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Sodium 3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate)

CAS 518-47-8
Formula C20H10Na2O5
MDL MFCD00167039
Structural Formula
Catalog # Product (Catalog #) Unit Price (US$) Quantity
776747945941
Sodium 3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate)
(776747945941)
on request + -

Identify

Synonyms:
nafluo ; fluorin ; nafl ; ful-glo ; furanium ; uranineo ; fluorone ; uranin ; uranine ; c.i.766
CAS:
518-47-8
EINECS:
208-253-0
Molecular Formula:
C20H10Na2O5
MDL:
MFCD00167039

Properties

Molecular Weight:
376.27 g·mol−1
Melting point:
320 °C
Boiling point:
662.6° C at 760 mmHg (Predicted)

Safety Information

Hazard Classes:
Risk Codes:
36-36/37/38 (R)
Safety Codes:
22-24/25-37/39-26-36/37/39-27 (S)
WGK Germany:
1
RTECS:
LM5425000

Prices

As an extract from the researched prices for Sodium 3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate) there are currently shown 38 prices in the last 10 years for CAS equal products. This small overview is intended to serve as a guide and trend.
Prices are in USD and range in year 2017 from USD 224.00 for 500 g to USD 116.00 per 500 g in 2026 .

Referenced last detected Prices

CAS Product
SizeLast PriceQuantity
Fluorescein disodium salt (insoluble, 50-53% dye content)
500 g $116.00 + -
Fluorescein, disodium salt, pure
2.5 kg $367.00 + -



Last price review [2026-08-06]

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