Items

Specifications

Results

Appearance

A white or off white crystalline powder

White crystalline powder

Solubility

Freely soluble in chlorofor m

Conform

Specific rotation(0)[α]D20

+75~+84

+78.6

Loss on drying(%)

≤1.0

0.73

Residue on ignition(%)

≤0.1

0.03

Heavy metals(ppm)

≤20

conform

Metling point()

178-193 centi-degree

186-190centi-degree

Purity(HPLC,%)

≥98.0

99.6%

Related substances(HPLC)

Single impurity: ≤0.5%

Total impurity: ≤1.0%

Conform