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ALIZARIN RED S pdf-img printer-img

  • C.A.S. No.
  • 130-22-3
  • CI NO
  • 58005
  • M.F.
  • C14H6Na2O7S
  • M.W.
  • 360.28gm/mole

Specifications:

  • Dye content
  • >70%
  • Transition range
  • pH4.3-6.3
    Yellow-pink
    pH 9.4-12.0
    Brown orange-violet
  • Solubility 0.1%(water)
  • Clear Solution
  • Absorption maximum in 0.1N NaOH λ1max
  • 553-559nm
  • Absorption maximum 0.1N NaOH λ2max
  • 592-599nm
  • Absorptivity (A1%/1cm at 556 λ1max)
  • >350
  • Absorptivity (A1%/1cm at 595 λ2max)
  • >325
  • Loss on drying (110oC)
  • <5%
  • Suitability for microscopy
  • To passes test
oragnic structure
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