Appearance

White or almost white,odorless powder

Solubility

Conforms

Identification

Conforms

Specific Rotation

+54°to +62°

Residue On Ignition

≤0.1%

Loss On Drying

≤0.5%

Chromatographic Purity

≤2.0%

Residual Solvents

acetone≤0.5%

ethanol≤0.5%

Assay

97.0%~102.0%

(on the anhydrous basis)

Micronization

90% Not more than 20 microns