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Fluorescein Sodium, C.I. 45350, Extra Pure, Scharlab

Product Code. 11334124
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Quantity:
250 g
Unit Size:
250g
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Product Code. 11334124

Brand: Scharlab FL01250250

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Description

Used in analytical chemistry as an indicator.

  • Synonyms: 3',6'-Dihydroxyspiro-[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, Resorcinolphthalein
  • Molecular Formula: C20H10Na2O5
  • Molar Mass: 376.28g/mol
  • CAS: 518-47-8
  • EIN ECS No.: 208-253-0
  • Solubility in water: 500g/l at 20°C
  • Absorption maximum (pH=8.0): 490–492nm
  • Absorptivity (A1%/1cm; l max; 0.0005%, pH 8.0 on dried sample): 1950–2150
  • Acriflavine: Passes test
  • TLC Test: Passes test

Specifications

CAS 518-47-8
Melting Point >360°C
pH 7.0 to 9.0 (2%, H2O)
Molecular Formula C20H10Na2O5
MDL Number MFCD00167039
Quantity 250 g
Synonym 3',6'-Dihydroxyspiro-[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, Resorcinolphthalein
InChI Key NJDNXYGOVLYJHP-UHFFFAOYSA-L
SMILES [Na+].[Na+].[O-]C(=O)C1=CC=CC=C1C1=C2C=CC(=O)C=C2OC2=CC([O-])=CC=C12
IUPAC Name disodium 2-(6-oxido-3-oxo-3H-xanthen-9-yl)benzoate
Molecular Weight (g/mol) 376.28
Formula Weight 376.28g/mol
Grade Extra Pure
Concentration or Composition (by Analyte or Components) 90% min (assay, titration with HClO4)
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Safety and Handling

compliance-icons
Product Identifier
  • Fluorescein, C.I. 45350, extra pure
 Signal Word
  • Warning
 Hazard Category
  • Acute toxicity Category 4
 Hazard Statement
  • H312 + H332-Harmful in contact with skin or if inhaled.
 Precautionary Statement
  • P261-Avoid breathing dust/fume/gas/mist/vapours/spray.
  • P280-Wear protective gloves/protective clothing/eye protection/face protection.
  • P321-Specific treatment (see on this label).
  • P304+P340-IF INHALED: Remove person to fresh air and keep comfortable for breathing.
  • P312-Call a POISON CENTER/doctor/if you feel unwell.
  • P501-Dispose of contents/container to .
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