Eosin Blue 85% Dye Content For Microscopy

  • CAS :
    548-24-3
  • REF :
    25183
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QUANTITY PRICE ENQUIRY
25 gm Rs 870.00
100 gm Rs 2870.00

Product Information

  • Formula: C₂₀H₆Br₄Na₂O₅ (Eosin B)
  • CAS: 548-24-3
  • EC No.: 208-965-8
  • M (Molar Mass): 624.06 g/mol
  • Color: Bluish-red
  • λmax: 515 nm (in water)
  • Use: Cytoplasmic stain, counterstain in histology

Chemicals Properties

  • Dye Content: ≥ 85%
  • Appearance: Bluish-red powder
  • Identification (UV): λmax 515 nm in water
  • Loss on Drying: ≤ 5.0%
  • Water Soluble Matter: ≤ 1.0%
  • Alcohol Soluble Matter: ≥ 95%
  • Ash Content: ≤ 1.0%
  • Heavy Metals (as Pb): ≤ 50 ppm
  • Extinction Coefficient: E₁%₁cm ≥ 1000 at 515 nm
  • Staining Performance: Satisfactory as cytoplasmic stain
  • Solubility: Soluble in water, ethanol

Hazard Information

  • Hazard: May be harmful if swallowed. Causes eye irritation.
  • Safety: Wear protective gloves and eye protection.
  • Storage: Store in tightly closed container at room temperature. Protect from light.