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CAS RN: 2392-39-4 | Product Number: D4438

Dexamethasone 21-Phosphate Disodium Salt Hydrate

Purity: >98.0%(T)(HPLC)
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Product Number D4438
Purity / Analysis Method >98.0%(T)(HPLC)
Molecular Formula / Molecular Weight C__2__2H__2__8FNa__2O__8P·xH__2O = 516.41  
Physical State (20 deg.C) Solid
Storage Temperature 0-10°C
Condition to Avoid Hygroscopic,Heat Sensitive
CAS RN 2392-39-4
Related CAS RN 312-93-6
Reaxys Registry Number 6473066
Merck Index (14) 2943
MDL Number


Appearance White to Almost white powder to crystal
Purity(HPLC) min. 98.0 area%
Purity(Nonaqueous Titration) min. 98.0 %(calcd.on anh.substance)
Specific rotation [a]20/D +76.0 to +80.0 deg(C=1, H2O)(calcd.on anh.substance)
Water 2.0 to 14.0 %
Properties (reference)
Melting Point 235 °C(dec.)
Specific Rotation 78° (C=1,H2O)
Solubility in water Completely soluble
Solubility (soluble in) Methanol
Solubility (very slightly) Ethanol
Solubility (insoluble in) Ether
Pictogram Pictogram Pictogram
Signal Word Warning
Hazard Statements H302 : Harmful if swallowed.
H361 : Suspected of damaging fertility or the unborn child.
Precautionary Statements P501 : Dispose of contents/ container to an approved waste disposal plant.
P270 : Do not eat, drink or smoke when using this product.
P202 : Do not handle until all safety precautions have been read and understood.
P201 : Obtain special instructions before use.
P264 : Wash skin thoroughly after handling.
P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection.
P308 + P313 : IF exposed or concerned: Get medical advice/ attention.
P301 + P312 + P330 : IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell. Rinse mouth.
P405 : Store locked up.
Related Laws: / Compliance with laws, Regulations
RTECS# TU4056000
Transport Information:
Dexamethasone 21-Phosphate Disodium Salt: A Water-Soluble Prodrug of Dexamethasone

Dexamethasone 21-phosphate disodium salt, a synthetic ant-inflammatory glucocorticoid and corticosteroid, is a prodrug that is converted to dexamethasone [D1961] in vivo. It is freely soluble in water, slightly soluble in ethanol, and insoluble in chloroform and in ether. (The product is for research purpose only.)


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