Erythrosin B disodium salt, red powder

Supplier: MP Biomedicals
Warning

Synonyms: Erythrosine sodium, C.I. 45430, Erythrosin B, Sodium 2',4',5',7'-tetraiodo-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate), Erythrosine 3B, FD&C Red #3, Erythrosin 239, Acid Red 51

0219044905 0219044910 0219044925
ICNA0219044905EA 76.1 SGD
ICNA0219044905 ICNA0219044910 ICNA0219044925
Erythrosin B disodium salt, red powder
Erythrosin B disodium salt

A red, anionic xanthene dye, has been used as a contrast or counter stain to hematoxylin, crystal violet and other nuclear stains, in both plant and animal tissue.
Erythrosin B Sodium Salt is used as a counter stain to hematoxylin, crystal violet and other nuclear stains, in both plant and animal tissue. Erythosin B dye solution in 0.9% saline is made for intravenous injection to induce occlusion.


  • Concentration: 0.91
  • Soluble in water (20 mg/mL) or ethanol (20 mg/mL)
  • Room Temperature, desiccate

Formula: C₂₀H₆I₄Na₂O₅
MW: 879,86 g/mol
Storage Temperature: Ambient
MDL Number: MFCD00144257
CAS Number: 16423-68-0

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Specification Test Results

Identity Test Passes
UV/VIS: l max (water) 524-528nm

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