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Tristains

S10069

Eosin Y Free Acid

CAS No
15086-94-9
Synonym(s)
Eosin Y Free Acid
Molecular Formula:
C20H6Br4Na2O5
Molecular Weight:
647.89
EC Number:
239-138-3
Colour Index Number:
45380:2
PubChem CID:
27020
MDL number:
MFCD00036189
Specification SDS
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Description

Eosin Y Free Acid CAS: 15086-94-9 | MF: C20H8Br4O5 | MW: 647.89, Buy now Histological Stains & Dyes for Histology, Cytology, Microbiology, Hematology & Biology Lab from TriStains. All Tristains products are exclusively distributed by Dawn Scientific Inc.

Eosin Y Free Acid is the unadulterated, water-soluble version of the Eosin Y dye, devoid of any extra salts or counterions. This bright, reddish-orange dye, also known as 2,4,5,7-Tetrabromofluorescein or Eosin yellowish, is commonly utilized in a variety of applications. With a chemical formula of C20H8Br4O5, Eosin Y Free Acid provides a pure and adaptable form of the Eosin Y dye, serving as a valuable resource for researchers, manufacturers, and professionals across different fields such as histology, biology, textiles, and printing. Widely employed as a biological stain in histology, cytology, and microscopy, Eosin Y Free Acid is a versatile tool for various scientific and industrial purposes.

TriStains provides a marketplace for histology and biological stains, which is comprehensive enough to encompass the peculiar requirements of laboratories specializing in Histology, Cytology, Microbiology, and Hematology. With a reputation for exceeding quality expectations, TriStains performance is outstanding which allows for resolution of cell and tissue components fundamental to life sciences to be clearly visualized. Each product under TriStains series is validated for accuracy, reliability and consistency. TriStains, which manufactures and markets stains and indicators in various packing, offers laboratories turn key solutions for all their staining and indicator needs, improving accuracy in every experiment.

Application :

  • Eosin Y Free Acid is a widely used counterstain, often in combination with hematoxylin, for staining cellular structures in microscopy techniques.
  • The dye is employed in various analytical procedures, such as protein labeling, cell staining, and fluorescence microscopy applications.

Benefits :

  • High purity and quality compound
  • Versatile and compatible
  • Provides reliable and reproducible results
Additional information
Brand

Tristains

Size

25g, 5g

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TECHNICAL INFORMATION
Application Eosin Yis a brominated fluoroscein dye derivative
CAS Number 15086-94-9
Molecular Weight 647.89
Molecular Formula C20H8Br4O5

For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
Refer to Certificate of Analysis for lot specific data (including water content).

Eosin Y is a brominated fluoroscein dye derivative used as an acidic red stain for cell cytoplasm.

TECHNICAL INFORMATION

Appearance : Powder
Physical State : Solid
Solubility : Soluble in ethanol (10 mg/mL), spirit, and Ethylene Glycol Monomethyl Ether (Methyl-cellosolve; EGME) (40 mg/mL). Insoluble in water.
Boiling Point : ~640.3­­°C at 760 mmHg (Predicted)
Density : ~2.5 g/cm3(Predicted)
Storage : Store at room temperature
Refractive Index : n20D1.89 (Predicted)
IC50 : Aspergillus nidulans RmtA: IC50= 18M (Emericella nidulans)
pK Values : pKa: 6.97 (Predicted)

SAFETY INFORMATION

For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
WGK Germany 3
PubChem CID 27020
RTECS LM5800000
Merck Index 14: 3603
MDL Number MFCD00036189
EC Number 239-138-3
Beilstein Registry 0063410
SMILES C1=CC=C2C(=C1)C(=O)OC23C4=CC(=C(C(=C4OC5=C(C(=C(C=C35)Br)O)Br)Br)O)Br

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