45260
Eosin B
suitable for microscopy
Synonym(s):
4′,5′-Dibromo-2′,7′-dinitrofluorescein disodium salt, Acid Red 91, Eosin Scarlet, Eosin bluish, Saffrosine
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About This Item
Linear Formula:
C20H6N2O9Br2Na2
CAS Number:
Molecular Weight:
624.06
EC Number:
208-943-1
UNSPSC Code:
12171500
NACRES:
NA.47
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
4121964
technique(s)
titration: suitable
λmax
509-524 nm
suitability
suitable for microscopy
SMILES string
[Na+].[Na+].[O-]C(=O)c1ccccc1C2=C3C=C(C(=O)C(Br)=C3Oc4c(Br)c([O-])c(cc24)[N+]([O-])=O)[N+]([O-])=O
InChI
1S/C20H8Br2N2O9.2Na/c21-14-16(25)11(23(29)30)5-9-13(7-3-1-2-4-8(7)20(27)28)10-6-12(24(31)32)17(26)15(22)19(10)33-18(9)14;;/h1-6,25H,(H,27,28);;/q;2*+1/p-2
InChI key
GYYTYUGGVBYJHE-UHFFFAOYSA-L
General description
Eosin B is a fluorescent red dye that is used in microscopy to visualise cytoplasm and proteins like collagen.
Application
Eosin B is an adsorption and fluorescent indicator in microscopy.
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Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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