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Eosin B Certified
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Tristains

S10066

Eosin B Certified

CAS No
548-24-3
Synonym(s)
4′,5′-Dibromo-2′,7′-dinitrofluorescein disodium salt
Molecular Formula:
C20H6N2O9Br2•2Na
Molecular Weight:
624.06
EC Number:
208-943-1
Colour Index Number:
45400
PubChem CID:
–
MDL number:
MFCD00005041
Specification SDS Available pack size: 100g, 10g,25g
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Description

Eosin B Certified CAS: 548-24-3 | MF: C20H6N2O9Br2•2Na | MW: 624.06, Buy now for reliable and reproducible results from Tristains.

Eosin B Certified (CAS No. 548-24-3) is a water-soluble xanthene dye with a reddish-orange colour that is commonly employed in the biological staining procedure. Eosin B Certified has the chemical formula C20H6N2O9Br2Na2. It is also known by several synonyms, including 4′,5′-Dibromo-2′,7′-dinitrofluorescein disodium salt, Acid Red 91, Eosin Scarlet, Eosin Bluish, and Saffrosine. The Biological Stain Commission has certified this dye and ensured that it is of excellent purity, quality and functionality. Eosin B Certified is commonly used as a collagen counterstain in Mayer’s Hemalum and is also applied in combination with Eosin B–Azure A for staining granules, nuclei, and microorganisms.

Applications

  • Histology and Cytology: Eosin B Certified is a common counterstain in Hematoxylin and Eosin (H&E) staining processes, to increase contrast and improve visualization of cellular components. It is also used in Mayer’s Hemalum in collagen counterstaining, which gives the tissue sections better structural clarity.
  • Staining Cell Granules, Nuclei and Microorganisms: Eosin B-Azure A is a widely used dye complex in the staining of microorganisms, nuclei and cellular granules. Such a combination improves the differentiation of cellular structures and facilitates detailed microscopic study in many research applications.

Key features

  • Certified Product: Certified by Biological Stain Commission, is of high purity, consistency and can be used in biological staining.
  • Reproducible and Accurate Results: Consistent, reproducible and trusted performance in various staining protocols.
  • Applied in Multiple Disciplines: Commonly employed in histology, cytology, microbiology, and protein concentration determination with dependable long-term performance.

General Description

The Eosin B Certified (CAS No. 548-24-3) is a reddish-orange, water-soluble xanthine dye that is widely used in histological and cytological staining. Also known as 4′,5′-Dibromo-2′,7′-dinitrofluorescein disodium salt, Acid Red 91, Eosin Scarlet, Eosin Bluish, and Saffrosine, it has the molecular formula C20H6N2O9Br2•2Na. The Biological Stain Commission certification implies adherence to strict requirements in biological staining, so the results can be used both in diagnostic and in a research in situations when accuracy and consistency are necessary.

When you are looking to purchase Eosin B Certified (CAS No. 548-24-3), TriStains provides high-quality certified biological stains that are reputed by both laboratories and research centers. These items facilitate the histological staining, microscopy, cytological and protein estimation research. Eosin B Certified comes in different sizes of packaging and is packaged in different order quantities as well. TriStains today can be contacted to provide quality and competitive prices on bulk orders, current pricing or technical queries.

About Brand

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.

Additional information
Brand

Tristains

Size

100g, 10g, 25g, 50g, 5g

CAS No

548-24-3

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TECHNICAL INFORMATION
Application: Eosin B sodium salt is a cell and tissue stain
Appearance : Powder
Storage : Solid
Solubility : Soluble in water (390 g/l at 20° C), and ethanol.
Storage : Store at room temperature
Melting Point : >310° C
Refractive Index : n20D ~1.82 (Predicted)

Eosin B sodium salt is a cell and tissue stain. Eosin B sodium salt is used as a counterstain for collagen, as a tissue stain for cell granules, nuclei, and microorganisms when coupled with Azure A (sc-203729), and as a stain for cell differentiation of the anterior pituitary.

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