Dexamethasone C22H29FO5
CAS NO.: 50-02-2
CP2005, USP, BP, EP
professinal manufacuter,high quality,competitive price
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Dexamethasone
Quality Level: CP2005, USP, BP, EP
Basic Information
1.CAS NO.: 50-02-2
2.EINECS:200-003-9
3.MF:C22H29FO5
4.MW:516.40
5.EINECS:200-003-9
6.Density:1.32 g/cm3
7.Melting Point:255-264 °C
8.Boiling Point:568.2 °C at 760 mmHg
9.Flash Point:297.5 °C
10.Solubility:ethanol: 1 mg/mL
11.Risk Codes:R40
12.Hazard Symbols:Xn
13.Safety:S45
Item | Spec. | Result |
Appearance | White or almost white crystalline powder | white |
Absorbance | 380~410 | 391.4 |
Identification | By IR, TLC | Conforms |
Loss on drying | ≤0.5% | 0.26% |
MP | About 255°C | 254.6~256.3°C |
Related substances | Total impurities: ≤2.0% Any impurity: ≤1.0% | 0.78% 0.46% |
Assay | 96.0~104.0% | 99.07% |
Specific rotation | +75~+80° | +76.4° |
Conclusion | Conformed with BP93 | |
