Eosin Y, Gurr™ for microscopical staining

Leverandør: VWR Chemicals

Synonymer: 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

341975TEA 23500 NOK
341975T
Eosin Y, Gurr™ for microscopical staining
Eosin Y
Formel: C₂₀H₆Br₄Na₂O₅
MW: 691.86 g/mol
MDL nummer: MFCD00005040
CAS-nummer: 17372-87-1
Merck Indeks: 13,03634
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Spesifikasjon Testresultater

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


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