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BROMOCRESOL PURPLE (ACS)Print Download

  • C.A.S. No.
  • 115-40-2
  • M.F.
  • C21H16Br2O5S
  • M.Wt.
  • 540.24gm/mole

Specifications:

  • Dye content
  • >95%
  • Transition range
  • pH 5.2–6.8
    Yellow – Purple
  • Solubility 0.1%(95%Ethanol)
  • Clear solution
  • Absorption maximum (pH 5.2) λ1max
  • 427–431nm
  • Absorption maximum (pH 6.8) λ2max
  • 588–590nm
  • Absorptivity (A1%/1cm at pH 5.2 at λ1max)
  • 400–500
  • Absorptivity (A1%/1cm at pH 6.8 at λ2max)
  • 1000–1100
  • Loss on drying (110oC)
  • <1%
oragnic structure
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