Specification Test Results

• Appearance:
  Red to Dark red to Dark purple powder to crystal
• Purity (HPLC):
  min. 90.0 area%
• Purity (Nonaqueous Titration):
  min. 97.0 %
• Lambda max.:
  538.0 to 541.0nm (H2O)
• Absorbance:
  min. 0.500 (2mg/L, H2O, 538.0 to 541.0 nm)