Specification Test Results

• Appearance:
  Orange to red to brown Powder
• Infrared spectrum:
  Conforms
• Water:
  ≤1 % (K.F.)
• UV spectrophotometry:
  ≥98.5 %
• UV Lambda max:
  450 to 454 nm (in CHCl3)
• Molar absorption coefficient:
  ≥59600 l/(mol.cm) (at Lambda max, in CHCl3)