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Eosin Y (yellowish), Gurr™ for microscopical staining
Catalog # 341975T
Supplier:  VWR Chemicals
CAS Number:  
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Eosin Y (yellowish), Gurr™ for microscopical staining
Catalog # 341975T
Supplier:  VWR Chemicals
CAS Number:  

Specifications

  • Pack type:
    Glass bottle
  • Pk:
    1 kg
  • Seq:
    4024
  • Environmentally Preferable:

Specifications

Specification Test Results

  • Dye content (gravimetrically):
    Min. 85 %
  • Identity (UV/VIS-Spectrum):
    Passes test
  • Absorption maximum λmax. (Water):
    515 --> 518 nm
  • Spec.Absorptivity (λm; 0.005 g/l; water):
    1200 --> 1400
  • TLC-Test:
    Passes test
  • Loss on drying (110°C):
    Max. 8 %
  • Suitability for microscopy:
    Passes test

Specification Test Results

About this item

Synonyms: Solvent Red 43, Field's Stain B, Eosin 225, 2,4,5,7-Tetrabromofluorescein disodium salt, Disodium 2-(2,4,5,7-tetrabromo-6-oxido-3-oxoxanthen-9-yl)benzoate, Disodium 2',4',5',7'-tetrabromo-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate), Tetrabromofluorescein disodium salt, 2′,4′,5′,7′-Tetrabromofluorescein disodium salt, Eosin Y disodium salt
 :
 :691.86 g/mol
 :1
CAS Number:17372-87-1
Formula:C₂₀H₆Br₄Na₂O₅
MDL Number:MFCD00005040
Merck Index:13,03634