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2392-39-4 Dexamethasone sodium phosphate Dexamethasone 21-phosphate disodium salt
Name: Dexamethasone Phosphate Sodium |
Synonyms: Dexamethasone 21-phosphate disodium salt |
C.A.S NO. : 2392-39-4 |
EINECS NO.: 219-243-0 |
Molecular formula: C22H28FNa2O8P |
Molecular weight : 516.40 |
Assay: 99% |
Characteristic: White or almost white powder |
Melting point: 233-235ºC |
ITEMS |
STANDARD |
RESULTS |
Characteristics |
A White or practically white, odorless, crystalline powder |
Conforms |
Specific rotation |
+75°~+80° |
+76° |
Purity |
98% to 99.9% |
99.1% |
Identification |
A. IR |
Conforms |
B. UV |
Conforms |
|
Chromatographic impurity |
Total impurities ≤2.0% Any impurities ≤1.0% |
conforms |
Residue on ignition |
≤0.2% |
conforms |
Loss on drying |
≤0.5% |
0.1% |
Organic volatile impurities |
Meets the requirements |
conforms |
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