Specification Test Results

• Appearance:
  Orange to red-brown or maroon powder
• Infrared Spectrum:
  Conforms to structure and standard.
• UV-Visible Spectrum:
  0.003 g/L, 0.01 N NaOH
  E(490 +/- 2 Nm) = >70,000
  E(284 +/- 2 Nm) = >12,000
  E(238 +/- 2 Nm) = >39,000
• Titration:
  94.5%-105.5% (With NaOH)
• Solubility:
  1 mg/ml 1 N NaOH; Clear orange-green to orange brown solution
• undefined:
  50 mg/ml, 1 N NaOH; Clear to opaque orange to Orange-Green Or Orange Brown Solution