Specification Test Results

• Appearance:
  White to light yellow Powder
• Infrared spectrum:
  Conforms
• Melting point:
  107 to 117 °C
• Titration Iodimetric:
  98.0 to 100.5 % (on dry substance)
• Loss on drying:
  ≤1 % (60 °C, 5 Hrs) (vacuum)
• Heavy metals:
  ≤10 ppm
• Appearance of solution:
  Passes test
• Residue after ignition:
  ≤0.1 %
• Specific optical rotation:
  +21° to +24° (20 °C, 589 nm) (c=10, methanol)