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CRESOL RED SODIUM SALT (ACS) pdf-img printer-img

  • C.A.S. No.
  • 62625-29-0
  • M.F.
  • C21H17O5SNa
  • M.W.
  • 404.42gm/mole

Specifications:

  • Dye content
  • >90%
  • Solubility 0.1% (Dist. Water)
  • Clear solution
  • Transition range
  • pH 6.8-8.8 Yellowish – Purple
  • Absorption maximum (pH 6.8) λ1max
  • 432 – 437 nm
  • Absorption maximum (pH 8.8) λ2max
  • 571 – 575 nm
  • Absorptivity (A1%1cm at pH 6.8 at λ1max)
  • 460 – 520
  • Absorptivity (A1%1cm at pH 8.8 at λ2max)
  • 950 – 1050
  • Loss on drying (110oC)
  • <5%
oragnic structure
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