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THYMOLPHTHALEIN (ACS) pdf-img printer-img

  • C.A.S. No.
  • 125-20-2
  • M.F.
  • C28H30O4
  • M.W.
  • 430.54 gm/mole

Specifications:

  • Transition range
  • pH 9.3-10.5 Colourless – Blue
  • Solubility 0.1% (95% Ethanol)
  • Clear solution
  • Absorption maximum (0.1N NaOH) λmax
  • 592-596nm
  • Absorptivity (A1%/1cm at 0.1N NaOH, at λmax)
  • > 1000
  • Loss on drying (110oC)
  • < 1%
organic structure
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