Specification Test Results

• Appearance (Colour):
  Purple to Very Dark Purple and Black
• Appearance (Form):
  Powder
• Infrared spectrum:
  Conforms to Structure
• Wavelength, C = 0.01 g/L; Ethanol:
  641 - 647 nm
• Extinction Coefficient:
  ≥16000
• Wavelength:
  593 - 599 nm
• Carbon:
  72.7 - 79.6%
• Nitrogen:
  7.1 - 7.7%
• TLC:
  Consistent with Past Lots
• Solubility (Turbidity), C = 1% in Acetone:
  Turbid
• Solubility (Colour):
  Dark Blue to Very Dark Blue