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Dexamethasone 21-Phosphate Disodium Salt Hydrate
(CAS RN:2392-39-4 Product Number:D4438)


Dexamethasone 21-Phosphate Disodium Salt

General Information

Product Number D4438

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Purity/Analysis Method >98.0%(HPLC)(T)
Storage Temperature 0-10°C
M.F. / M.W. C22H28FNa2O8P·xH2O=516.41(as Anhydrous)
CAS RN 2392-39-4
Related CAS RN 312-93-6
MDL Number MFCD00079105
Packaging and Container
  • Product Details
  • Safety & Regulations
  • Reference & Application


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 %

Data of Reference

mp 235°C(dec.)(lit.)


Reaxys-RN 6473066
Merck Index(14) 2943
RTECS# TU4056000


Signal Word Warning
Hazard Statements
  • H302
  • :Harmful if swallowed.
  • H361
  • :Suspected of damaging fertility or the unborn child.
Precautionary Statements
  • P201
  • :Obtain special instructions before use.
  • P202
  • :Do not handle until all safety precautions have been read and understood.
  • P264
  • :Wash hands and face thoroughly after handling.
  • P270
  • :Do not eat, drink or smoke when using this product.
  • P280
  • :Wear protective gloves, protective clothing, face protection.
  • P301+P312+P330
  • :If swallowed: Call a poison center or doctor if you feel unwell. Rinse mouth.
  • P308+P313
  • :If exposed or concerned: Get medical advice or attention.
  • P405
  • :Store locked up.
  • P501
  • :Dispose of contents and container in accordance with local, regional, national regulations (e.g. US: 40 CFR Part 261, EU:91/156/EEC, JP: Waste Disposal and Cleaning Act, etc.).


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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