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1–NAPHTHOLPHTHALEIN pdf-img printer-img

  • C.A.S. No.
  • 596 – 01 – 0
  • M.F.
  • C28H18O4
  • M. Wt.
  • 418.45 gm/mole

Specifications:

  • Solubility 0.1 % (in 95% EtOH )
  • Almost clear solution
  • Absorption maximum (in 0.1N NaOH) λmax
  • 650-654 nm
  • Absorptivity 1%/1cm in 0.1N NaOH
  • > 650
  • Loss on drying (110oC)
  • < 3%
  • Melting point range
  • 236-240 oC
organic structure
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