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E6003 Sigma-Aldrich

Eosin Y disodium salt

Dye content ≥85 %

Synonym: 2′,4′,5′,7′-Tetrabromofluorescein disodium salt, Acid Red 87, Bromo acid J. TS, XL, or XX, Bromofluorescein, Bronze Bromo ES, D&C;Red No. 22, Eosin yellowish

  • CAS Number 17372-87-1

  • Empirical Formula (Hill Notation) C20H6Br4Na2O5

  • Molecular Weight 691.85

  •  Colour Index Number 45380

  •  Beilstein Registry Number 3586809

  •  EC Number 241-409-6

  •  MDL number MFCD00005040

  •  PubChem Substance ID 24894349

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Properties

Related Categories Biochemicals and Reagents, Cell Biology, E-F, Fluorescein and Derivatives, Fluorescent Labels,
InChI Key   SEACYXSIPDVVMV-UHFFFAOYSA-L
form   powder
composition   Dye content, ≥85%
solubility   H2O: 1 mg/mL

Description

Packaging

25, 100, 250 g in glass bottle

Application

Eosin Y disodium salt has been used for determining sperm viability. The swollen and stained spermatozoa were considered dead. In corneal epithelium, it has been used in the procedure of immunohistological staining.

Biochem/physiol Actions

Eosin Y is a xanthene dye and is used for the differential staining of connective tissue and cytoplasm. In histopathology, it is applied as a counterstain after hematoxylin and before methylene blue. It is also used as a background stain, thereby giving contrast to the nuclear stains.

Safety & Documentation

Safety Information

Symbol 
GHS07  GHS07
Signal word 
Warning
Hazard statements 
Precautionary statements 
Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
3
RTECS 
LM5850000

Documents

Certificate of Analysis

Certificate of Origin


Milli-Q® Water Purification Solutions

Biomedical Applications
Protocols & Articles
Peer-Reviewed Papers
15

References

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