Eosin G 5 wt, % in H₂O in wässriger Lösung, Sigma-Aldrich®

Lieferant: SIGMA-ALDRICH MICROSCOPY
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Synonyms: 2,4,5,7-Tetrabromfluorescein DinatriumsalzTetrabromfluorescein DinatriumsalzEosin gelbstichigEosin G DinatriumsalzEosin gelblichEosin 225Eosin Y DinatriumsalzSolvent Red 43Dinatrium-2-(2,4,5,7-tetrabrom-6-oxido-3-oxoxanthen-9-yl)benzoatEosin Y2′,4′,5′,7′-Tetrabrom-3′,6′-dihydroxyspiro [2-benzofuran-3,9′-xanthen]-1-on Dinatriumsalz

M-Clarity™ Qualitätsstufe = MQ100

318906-500MLEA 128 CHF
318906-500ML
Eosin G 5 wt, % in H₂O in wässriger Lösung, Sigma-Aldrich®
Eosin G

Eosin Y, also known as Eosin yellowish is a widely used xanthene dye. It is a counterstain that is used to distinguish between various connective tissue fibers and matrices, and the cytoplasm of different types of cells. Eosin in combination with hematoxylin is useful to demonstrate the general histological architecture of a tissue.


Eosin Y is suitable for use in hematoxylin and eosin (H and E) staining procedures for various tissue samples like lung nodule and kidney sections.

Formel: C₂₀H₆Br₄Na₂O₅
MW: 691,86 g/mol
Dichte: 1,015 g/ml at 25 °C
Lager Temperatur: Raumtemperatur
MDL Number: MFCD00005040
CAS-Nummer: 17372-87-1
EINECS: 241-409-6

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Spezifikation Testergebnisse

Appearance (Colour) Red to Very Dark Red
Appearance (Form) Liquid
Wavelength, In Water and 1% Na2CO3 514 - 520 nm
Extinction Coefficient ≥86000
Wavelength 339 - 345 nm
Extinction Coefficient ≥5000
Wavelength 298 - 304 nm
Extinction Coefficient ≥14000
Wavelength 252 - 258 nm
Extinction Coefficient ≥33000

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