Form
Powder
Appearance
White or almost white powder
Impurity Profile
Single impurity: Not more than 0.1%
Total impurities: Not more than 0.3%
Water Content (Karl Fisher)
5.5 - 7.0%
Optical Rotation
+24° - +28°
Assay
(Anhydrous basis): 98.0 - 102.0%
Residue On Ignition
Not more than 0.1%
Heavy Metals
Not more than 10ppm
Residual Solvents
Tetrahydrofuran: Not more than 720ppm
Methanol: Not more than 1000ppm
Ethyl Acetate: Not more than 5000ppm