Specification Test Results

• Appearance:
  Clear colorless to light yellow Liquid
• Infrared spectrum:
  Conforms
• Refractive index:
  1.3829 to 1.3849 (20°C, 589 nm)
• GC:
  ≥98.0 %
• Sulfated ash:
  ≤0.4 %
• Related substances:
  ≤2.0 % (total impurities)
• pH:
  5.4 to 6.0 (1 % solution)
• Specific optical rotation:
  -32.7° to -34.7° (20°C, 589 nm) (2%,water)
• Titration with HClO4:
  98.5 to 101.5 % (On dried base)
• Chloride (Cl):
  ≤0.05 %
• Sulfate (SO4):
  ≤0.03 %
• Iron (Fe):
  ≤0.003 %