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  • C.A.S. No.
  • 632-69-9
  • C.I. NO.
  • 45440
  • M.F.
  • C20H2O5Cl4I4Na2
  • M.W.
  • 1017.65 gm/mole

Specifications:

  • Dye content (Spectrophotometry)
  • > 90%
  • Solubility 0.1 % (Water)
  • Clear solution
  • Absorption maximum (water + 2ml 5%Na2CO3Soln.) λmax
  • 544-550
  • Absorptivity (A1%/1cm in water, at λmax)
  • > 910
  • Loss on drying (110oC)
  • < 10%
organic structure
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