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Phosphorus(V) oxide, 98%

Product Code. 11470973
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Product Code. 11470973 Supplier Thermo Scientific Alfa Aesar Supplier No. A13348.36
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Description

CAS: 1314-56-3 | O5P2 | 141.94 g/mol

Phosphorus(V) oxide is used as a drying and dehydrating agent, a condensation reagent in organic synthesis and a laboratory reagent. It is also used in sugar refining and in fire extinguishing. Phosphorus pentoxide in DMSO forms an Onodera reagent which oxidizes alcohols. It is capable of converting mineral acids to anhydrides.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
Phosphorus(V) oxide is used as a drying and dehydrating agent, a condensation reagent in organic synthesis and a laboratory reagent. It is also used in sugar refining and in fire extinguishing. Phosphorus pentoxide in DMSO forms an Onodera reagent which oxidizes alcohols. It is capable of converting mineral acids to anhydrides.

Solubility
Soluble in sulfuric acid. Insoluble in acetone and ammonia. Decomposes in water.

Notes
It is highly hygroscopic in nature and gets hydrolyzed to phosphoric acid. It is stored in a separate safety cabinet away from incompatibles such as alkalis and water.
TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 1314-56-3
Molecular Formula O5P2
Molecular Weight (g/mol) 141.94
MDL Number MFCD00011440
InChI Key DLYUQMMRRRQYAE-UHFFFAOYSA-N
Synonym Phosphorus pentoxide
IUPAC Name tricyclo[3.3.1.1³,⁷]tetraphosphoxane-1,3,5,7-tetrone
SMILES O=P12OP3(=O)OP(=O)(O1)OP(=O)(O2)O3

Specifications

Boiling Point 360°C (sublimation)
Melting Point 340°C
Quantity 500 g
UN Number UN1807
Merck Index 14,7355
Solubility Information Soluble in sulfuric acid. Insoluble in acetone and ammonia. Decomposes in water.
Formula Weight 141.94
Percent Purity 98%
Odor Weak
Sensitivity Moisture sensitive
Density 2.39
Chemical Name or Material Phosphorus(V) oxide
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Safety and Handling

compliance-icons
Product Identifier
  • Phosphorus(V) oxide
 Signal Word
  • Danger
 Hazard Category
  • Serious eye damage/eye irritation Category 1
  • Skin corrosion/irritation Category 1 A
 Hazard Statement
  • H314-Causes severe skin burns and eye damage.
  • H318-Causes serious eye damage.
  • EUH014-Reacts violently with water.
 Precautionary Statement
  • P280-Wear protective gloves/protective clothing/eye protection/face protection.
  • P301+P330+P331-IF SWALLOWED: rinse mouth. Do NOT induce vomiting.
  • P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P310-Immediately call a POISON CENTER/doctor/.
 Supplemental information
  • MIXTURE LIST-Contains : Phosphorus oxide
SDS

RUO – Research Use Only

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