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28803 Fluka

Fluorescein sodium salt

indicator, 98.5-100.5%

Synonym: Acid Yellow 73, D&C;Yellow No. 8, NaFl, NaFluo, Sodium fluorescein, Uranine

  • CAS Number 518-47-8

  • Empirical Formula (Hill Notation) C20H10Na2O5

  • Molecular Weight 376.27

  •  Beilstein Registry Number 3833041

  •  Colour Index Number 45350

  •  EC Number 208-253-0

  •  MDL number MFCD00167039

  •  PubChem Substance ID 24857309

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Properties

Related Categories Adsorption Indicators, Analytical Reagents, Analytical/Chromatography, Biochemicals and Reagents, Fluorescein and Derivatives,
grade   indicator
assay   98.5-100.5% (calc. on dry substance)
  98.5-100.5%
loss   ≤10% loss on drying, 105 °C
anion traces   chloride (Cl-): ≤3500 mg/kg
  sulfate (SO42-): ≤1.2%
fluorescence   λex 460 nm; λem 515 nm(lit.)
suitability   complies for TLC

Description

General description

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Legal Information

FLUKA is a registered trademark of Honeywell Specialty Chemicals Seelze GmbH

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Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
1

Documents

Certificate of Analysis

Protocols & Articles

Articles

Determination of Water Content in Fluorescein di-sodium salt (Uranine) Using Karl Fischer Titration

Group(s): Carboxylic Acid Salts, Cosmetic Products + Compounds, Pharmaceutical Products + Compounds
Keywords: Dehydration reaction, Pharmaceutical, Titrations

Peer-Reviewed Papers
15

References

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