Melting point:

162.0-171.0°C

Rotation:

+6.0°- +10.0°

Loss on drying:

≤0.5%

Residue on ignition:

≤0.1%

Heavy metals:

≤10ppm

Assay(UV):

98.0-102.0%

Purity(HPLC):

≥99.0%

Storage:

Keep dry, stable at room temperature