Quality standard
Test items |
Standard |
Results |
Appearance |
White to off-white Crystalline powder |
Complies |
Melting Point |
239-241°C |
239.7-240.6°C |
Assay(HPLC) |
99.50% min |
99.84% |
Moisture |
0.5% max |
0.10% |
Unknown Impurity |
0.5% max |
Complies |
2-Chlorobenzoic Acid |
0.5% max |
Complies |
Residue on Ignition |
0.1% max |
Complies |
Conclusion |
Complies |