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METHYL RED SODIUM SALT (ACS) pdf-img printer-img

  • C.A.S. No.
  • 845 -10 -3
  • C.I. NO.
  • 13020
  • M.F.
  • C15H14N3O2Na
  • M. Wt.
  • 291.29 gm/mole

Specifications:

  • Dye content
  • > 90%
  • Solubility 0.1 % in water
  • Almost Clear solution
  • Transition range
  • pH 4.5-6.2 Violet red - Brownish yellow
  • Absorption maximum in water, λmax
  • 430-440nm
  • Absorptivity maximum (A1%/1cm, in water )
  • > 580
  • Loss on drying (110oC)
  • < 5 %
organic structure
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