Specification Test Results

• Appearance:
  Grey to brown Crystalline powder
• Infrared spectrum:
  Conforms
• Melting point:
  246 to 250 °C
• HPLC:
  ≥96.0 %
• Calcium (Ca):
  ≤50 ppm
• Copper (Cu):
  ≤50 ppm
• Magnesium (Mg):
  ≤20 ppm
• Manganese (Mn):
  ≤500 ppm
• Potassium (K):
  ≤20 ppm
• Sodium (Na):
  ≤200 ppm
• Zinc (Zn):
  ≤50 ppm
• Ferric iron (Fe 3+):
  ≤1000 ppm (May increase due to inherent oxidation on storage)
• Insoluble matter:
  ≤0.01 %