Assay Min 99 %
Melting point 165-169°C
Specific optical rotation +23 to +25°
Loss on drying (at 105°C) Max 0.05 %
Insoluble matter Max 0.01 %
Acidity (as CHCOOH) Max 0.005 %
Sulfated ash Max 0.02 %
Chloride (Cl) Max 0.001 %
Sulfate (SO4) Max 0.005 %
Arsenic (As) Max 0.0001 %
Calcium (Ca) Max 0.001 %
Copper (Cu) Max 0.0005 %
Iron (Fe) Max 0.0005 %
Lead (Pb) Max 0.0005 %
Reducing sugars (as glucose) Max 0.05 %
Substance darkened by H2SO4 Passes test
D (-) Sorbite (GC) Max 1 %
Appearance White crystalline powder