Molecular formula:

C₁₃H₁₈O₉

Molecular weight:

318.28

CAS No.:

13035-61-5

Structure Formula:

dentification:

White or almost white crystalline powder

Loss on drying:

≤0.5%

Residue on ignition:

≤0.1%

Melting point:

80-83.5°C

Heavy metals:

≤20ppm

Special rotation:

-12.0 - -14.0°

UV absorption:

≤0.1

Assay:

98.0-102.0%

Packing:

25kg/barrel

Storage:

Keep dry, stable at room temperature.