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BROMOPHENOL RED pdf-img printer-img

  • C.A.S. No.
  • 2800-80-8
  • M.F.
  • C19H12Br2S
  • M.Wt.
  • 512.19gm/mole

Specifications:

  • Dye content
  • > 95%
  • Solubility (in 95% Ethanol)
  • Clear solution
  • Transition range
  • pH 4.7 – 6.3 Yellow – Purple
  • Absorption maximum (pH 4.7) λ1max
  • 435 – 440 nm
  • Absorption maximum (pH 6.3) λ2max
  • 574 – 577 nm
  • Absorptivity (A1%/1cm at pH 4.7 at λ1max)
  • 340 – 370
  • Absorptivity (A1%/1cm at pH 6.3 at λ2max)
  • 585 – 720
  • Loss on drying (110oC)
  • < 5%
oragnic structure
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