Items	Specifications	Results
Characteristics	An almost white or brownish powder	Almost white
Identification	Positive reaction	Comply
Melting Point	138~141℃	139.3-139.6°c
2-I-Methyl-5-Nitroimidazole	Precipitated have not muddily	Pass
Loss on drying	≤1%	0.38%
Sulphate ash	≤0.1%	0.05%
Assay	98%~101%	99.23%