Item |
Inspection standard |
APPEARANCE
|
Off white solid powder |
Identification |
Conform with NMR |
Melting point |
149-152℃
|
Loss on drying |
≤0.50% |
Residue on ignition |
≤1.0% |
Purity(HPLC) |
≥99% |
Heavy metals |
NMT20PPM |