Appearance: White or almost white powder;Odorless, slightly sweet;Freely soluble in water,soluble in methanol and ethanol.
Assay: ≥98%
Specific rotation: +154°~+165°
Water solution pH: pH5.0~7.5
Light-absorbing impurities: Between 230 nm and 350 nm,the absorbance is not greater than 1.0; and between 350 nm and 750 nm, the absorbance is not greater than 0.1
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