318906

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318906

Sigma-Aldrich

 

Eosin Y solution

5 wt. % in H2O

Synonym:Acid red 87, Eosin yellowish solution, 2′,4′,5′,7′-Tetrabromofluorescein disodium salt
CAS Number:17372-87-1
Linear Formula:C20H6Br4Na2O5
Molecular Weight:691.85
Beilstein Registry Number:1443944
MDL number:MFCD00005040
PubChem Substance ID:24858876

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Description

Packaging500 mL in glass btl

Properties

concentration5 wt. % in H2O
density1.015 g/mL at 25 °C
UV absorptionλmax 518 nm

References

MerckMerck 13,3634
BeilsteinBeil. 19,230
referenceFT-IR 2 (3), 4149:A / FT-IR 1 (2), 1011:C / IR-Spectra (2), 1270:A / IR-Spectra (3), 1474:F / IR-Spectra (3), 1474:A / RegBook 1 (2), 2795:C / Sigma FT-IR 1 (2), 135:B / Stains and Dyes Ref, 304 / Structure Index 1, 444:C:7