Appearance
White or whitish crystalline powder
White crystalline powder
High-performance liquid
chromatograph HPLC
The retention time of test sample
major peak complies to reference
standard
Conforms
IR-infrared spectrum
The retention time of test sample
major peak complies to reference
standard
Conforms
Loss on drying
1.0%
0.5%
Residue on ignition
0.1%
0.06%
Related impurity
Total impurities:1.0%
0.59%
Single impurity:0.5%
Conforms
Ethyl acetate
0.5%
Conforms
Heavy metals
20ppm
<20ppm
Purity
98.5%
99.41%