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

  • C.A.S. No.
  • 34722-90-2
  • M.F.
  • C27H27Br2O5SNa
  • M.Wt.
  • 646.38gm/mole

Specifications:

  • Dye content
  • > 90%
  • Solubility 0.1%( Water )
  • Almost clear solution
  • Transition range
  • pH 5.8 – 7.6 Yellow – Blue
  • Absorption maximum (pH 5.8) λ1max
  • 430 – 435 nm
  • Absorption maximum (pH 7.6) λ2max
  • 615 – 618 nm
  • Absorptivity (A1%/1cm at pH 5.8 at λ1max)
  • 250 – 280
  • Absorptivity (A1%/1cm at pH 7.6 at λ2max)
  • 400 – 500
  • Loss on drying (110oC)
  • < 5%
oragnic structure
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