Eosin Yellow For Microscopy (Water soluble)

  • CAS :
    17372-87-1
  • REF :
    25186
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QUANTITY PRICE ENQUIRY
25 gm Rs 340.00
100 gm Rs 1090.00
500 gm Rs 4830.00

Product Information

  • Formula: C₂₀H₈Br₄Na₂O₅ (Eosin Y)
  • CAS: 17372-87-1
  • EC No.: 241-409-6
  • M (Molar Mass): 691.86 g/mol
  • Color: Red
  • λmax: 517 nm (in water)
  • Use: Most common eosin for H&E staining

Chemicals Properties

  • Dye Content: ≥ 85%
  • Appearance: Red powder with greenish fluorescence
  • Identification (UV): λmax 517 nm in water
  • Loss on Drying: ≤ 5.0%
  • Water Soluble Matter: ≥ 95%
  • Ash Content: ≤ 1.0%
  • Heavy Metals (as Pb): ≤ 50 ppm
  • Extinction Coefficient: E₁%₁cm ≥ 1000 at 517 nm
  • Staining Performance: Standard H&E counterstain
  • Solubility: Very soluble in water, slightly in 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.