|
Item |
Specifications |
Results |
|
Appearance |
White or almost white powder |
Conforms |
|
Assay(HPLC |
≥99.0% |
99.03% |
|
Heavy metal |
≤20ppm |
Conforms |
|
Loss on drying |
≤0.5% |
0.22% |
|
Residue on igniton |
≤0.1% |
0.07% |
|
Melt point |
147-151℃ |
147.4-148.3℃ |