Inspection items | Technical index |
Appearance | White or almost white crystalline powder |
Melting point | 53.0~58.0℃ |
Water content (KF) | NMT 8.0% |
ROI | NMT 0.10% |
Heavy metals | NMT 10ppm |
Unspecified impurities | NMT 0.50% |
Total impurities | NMT 1.0% |
Purity (HPLC) | NLT 99.0% |