Molecular Formula: C6H12O6; GR (AR) grade; CAS No.:50‐99‐7Bottom of Form; Purity: >98.0% (α+β) (GC); Solubility in water: to past test; Specific rotation [α] D20: +52.6~+53.2o; Loss on drying (105oC): max. 0.2%; Residue on ignition (sulfate): max. 0.03%;