Phosphorus(V) oxide, 98%, Thermo Scientific Chemicals

Description

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.

Specifications

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

• 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

Safety and Handling

Hazard Category	H314-H335
Hazard Statement	GHS H Statement H314 Causes severe skin burns and eye damage.
Precautionary Statement	P260-P264b-P271-P280-P301+P330+P331-P303+P361+P353-P304+P340-P305+P351+P338-P310-P363-P501c
DOTInformation	Transport Hazard Class: 8; Packing Group: II; Proper Shipping Name: PHOSPHORUS PENTOXIDE
EINECSNumber	215-236-1
RTECSNumber	TH3945000
TSCA	Yes
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only