Appearance
White or almost white crystalline powder
Impurity Profile
Penicillin G K: Not more than 0.1%
Phenylacetic Acid: Not more than 0.1%
Absorbance
425nm - Less than 0.025; Transmittance: 500nm - Not less than 90.0%
pH
3.5 – 4.5
Optical Rotation
+265.0°-+285.0°
Assay
Not less than 96.0%
Loss on Drying
Not more than 0.20%