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Key Documents

200-M

Sigma-Aldrich

Eosin Y Powder

Synonym(s):

Eosin Y Powder, Bromo Acid J

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About This Item

Empirical Formula (Hill Notation):
C20H6Br4Na2O5
CAS Number:
Molecular Weight:
691.86
MDL number:
UNSPSC Code:
41116121

form

powder

pH

9.2 (20 °C, 10 g/L in H2O)

mp

295-296 °C

λmax

515-518 nm

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

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

Application

Certified by the Biological Stain Commission (BSC)
For In-Vitro Diagnostic Use.
For Professional Use.
Used as a counterstain for hemotoxylin and as a constituent of Wright Stain.
HARLECO® Counterstaining in H&E

Legal Information

HARLECO is a registered trademark of Merck KGaA, Darmstadt, Germany

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Eye Irrit. 2 - Skin Sens. 1

Storage Class Code

13 - Non 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


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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