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TROPAEOLIN OO pdf-img printer-img

  • C.A.S. No.
  • 554-73-4
  • C.I. NO.
  • 13080
  • M.F.
  • C18H14N3SO3Na
  • M.W.
  • 375.38gm/mole

Specifications:

  • Transition Range
  • pH 1.2 – 2.7 Red – Yellow
  • Solubility 0.1% (Water)
  • Clear solution
  • Absorption maximum (in water) λmax
  • 447-451nm
  • Absorptivity (A1%/1cm in water, at λmax)
  • > 625
  • Loss on drying (110oC)
  • < 5%
organic structure
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