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119830

Sigma-Aldrich

Eosin Y

certified by the Biological Stain Commission, Dye content 90 %

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About This Item

Empirical Formula (Hill Notation):
C20H6Br4Na2O5
CAS Number:
17372-87-1
Molecular Weight:
691.85
Colour Index Number:
45380
Beilstein:
3586809
EC Number:
241-409-6
MDL number:
MFCD00005040
UNSPSC Code:
12171500

grade

certified by the Biological Stain Commission

composition

Dye content, 90%

λmax

517 nm

SMILES string

[Na+].[Na+].[O-]C(=O)c1ccccc1C2=C3C=C(Br)C(=O)C(Br)=C3Oc4c(Br)c([O-])c(Br)cc24

InChI

1S/C20H8Br4O5.2Na/c21-11-5-9-13(7-3-1-2-4-8(7)20(27)28)10-6-12(22)17(26)15(24)19(10)29-18(9)14(23)16(11)25;;/h1-6,25H,(H,27,28);;/q;2*+1/p-2

InChI key

SEACYXSIPDVVMV-UHFFFAOYSA-L

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Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H317,H319

Hazard Classifications

Eye Irrit. 2 - Skin Sens. 1

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

376.9 °F - Pensky-Martens closed cup

Flash Point(C)

191.6 °C - Pensky-Martens closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
20996DJ
85797MJ
39896AJ
06117KH
08226CH

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Analytical Chemistry, 40 (1986)
Analytica Chimica Acta, 47, 41-41 (1969)
Analytical Chemistry, 40, 1986-1986 (1968)
A Rapid Method for the Differential Staining of Blood Films and Malarial Parasites.
J H Wright
The Journal of medical research, 7(1), 138-144 (1902-01-01)
Journal of the American Medical Association, 78, 1112-1112 (1922)
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