Contents of testing
Specifications
Results
Appearance
White or off-white crystalline powder
Complies
Solubility
Soluble in dichloromethane, slightly soluble in ethyl acetate,
methanol, acetronile, insoluble in water
Identification (IR)
Should match with working standard
Melting point
246.0°C~252.0°C
248.0°C~249.5°C
Water by KF
Not more than 0.5%
0.05%
Loss on drying
0.03%
Residue on ignition %
Not more than 0.2%
Heavy metal
Not more than 20 ppm
Related Substances(HPLC)
Single maximum impurity
0.31%
Total impurities
Not more than 1.0%
0.64%
Assay(HPLC,Base on drying) %
98.0%-102.0%
99.24%
Conclusion:
Conform with our Enterprise Standard
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