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BROMOPHENOL BLUE SODIUM SALT (ACS) pdf-img printer-img

  • C.A.S. No.
  • 34725-61-6
  • M.F.
  • C19H9Br4SO5Na
  • M.Wt.
  • 691.97gm/mole

Specifications:

  • Dye content
  • > 90%
  • Solubility 0.1%( Water )
  • Clear solution
  • Transition range
  • pH 3.0 – 4.6 Greenish yellow – Blue violet
  • Absorption maximum (pH 3.0) λ1max
  • 434 – 439 nm
  • Absorption maximum (pH 4.6) λ2max
  • 590 – 592 nm
  • Absorptivity (A1%/1cm at pH 3.0 at λ1max)
  • 320 – 370
  • Absorptivity (A1%/1cm at pH 5.4 at λ2max)
  • 880 - 980
  • Loss on drying (110oC)
  • < 5%
oragnic structure
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