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CRESOL RED (ACS) pdf-img printer-img

  • C.A.S. No.
  • 1733-12-6
  • M.F.
  • C21H18O5S
  • M.W.
  • 382.43gm/mole

Specifications:

  • Dye content
  • >95%
  • Solubility 0.1% (95% EtOH)
  • Clear solution
  • Transition range
  • pH 6.5-8.8 Yellow – Purple
  • Absorption maximum (pH 6.5) λ1max
  • 432 – 436 nm
  • Absorption maximum (pH 8.8) λ2max
  • 571 – 574 nm
  • Absorptivity (A1%1cm at pH 6.5 at λ1max)
  • 490 – 540
  • Absorptivity (A1%1cm at pH 8.8 at λ2max)
  • 1000 – 1100
  • Loss on drying (110oC)
  • <3%
oragnic structure
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