Specification Test Results

• Appearance:
  White to light yellow to grey-green Crystalline powder and/or chunks
• Infrared spectrum:
  Conforms
• Melting point:
  132 to 137 °C
• Titration with NaOH:
  96.0 to 104.0 %
• Residue after ignition:
  ≤0.5 %
• Specific optical rotation:
  -91.0° to -93.5° (20 °C, 589 nm)
• Acidity:
  Passes test
• Color of solution:
  Passes test
• Chloride (Cl):
  ≤0.018 %
• Sulfate (SO4):
  ≤0.025 %
• Arsenic (As):
  ≤1 ppm
• Ca and Mg:
  ≤0.005 % (as Ca)
• Hydroxymethylfurfural:
  Passes test