Molecular formula:

C₂₈H₂₄O₉

Molecular weight:

504.49

CAS No.:

6974-32-9

Structure Formula:

dentification:

White or almost white crystalline powder

Loss on drying:

≤0.5%

Melting point:

126.0-133.0°C

Special rotation:

+40.0 - +44.0°

Heavy metals:

≤20ppm

Assay(HPLC):

≥98.0%

Packing:

20kg/barrel

Storage:

Keep dry, stable at room temperature.