Eosin–Erythrosin Counterstain

Eosin–Erythrosin Counterstain is a combined acidic dye solution used in histology and cytology as a counterstain to provide contrast after primary staining, particularly following hematoxylin staining. It enhances cytoplasmic and extracellular structure visibility.

Chemical Name
Mixture of Eosin Y and Erythrosin B dyes

Synonyms

  • Eosin–Erythrosin Stain

  • Acid Dye Counterstain

  • Histological Counterstain

  • Cytoplasmic Stain

CAS Number
Mixture (no single CAS number)

  • Eosin Y: 17372-87-1

  • Erythrosin B: 548-28-3

Appearance
Red to pink solution

Price range: R1 200,00 through R1 500,00
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Eosin–Erythrosin Counterstain
This item: Eosin–Erythrosin Counterstain
Price range: R1 200,00 through R1 500,00
Price range: R1 200,00 through R1 500,00
Acetate Buffer, pH 4.6
R950,00
Acetic Acid 5% (Unstandardised)
R650,00
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Description
Additional information
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Key Properties

  • Acidic dye mixture

  • Stains cytoplasm and extracellular proteins

  • Provides strong colour contrast

  • Compatible with hematoxylin stains

  • Ready-to-use solution

Uses

  • Histology tissue staining

  • Cytology staining procedures

  • Hematoxylin and Eosin (H&E) staining protocols

  • Pathology and research laboratories

Storage

  • Store in tightly closed container

  • Keep in a cool, dry place

  • Protect from direct light

  • Avoid contamination

Safety & Handling (SDS Summary)

  • May cause skin and eye irritation

  • Avoid ingestion and inhalation

  • Use appropriate PPE: gloves, lab coat, eye protection

  • Dispose of according to local laboratory waste regulations

Weight N/A
size

500mLt, 1Lt

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