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431419 Sigma-Aldrich

Phosphorus pentoxide

≥99.99% trace metals basis

Synonym: Phosphoric anhydride, Phosphorus(V) oxide

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Properties

Related Categories Chemical Synthesis, Dehydrating Reagents, Synthetic Reagents More...
vapor density   4.9 (vs air)
vapor pressure   1 mmHg ( 384 °C)
  10 mmHg ( 238 °C)
assay   ≥99.99% trace metals basis
impurities   ≤0.02% insolubles
  <100 ppm total metallic impurities
mp   340 °C(lit.)
density   2.3 g/mL at 25 °C(lit.)
cation traces   NH4+: ≤0.01%
  heavy metals: ≤0.01%

Description

Features and Benefits

Meets A.C.S. reagent specifications.

Packaging

50, 250 g in poly bottle

Application

Phosphorus pentoxide may be used in the synthesis of the following:
• Hydroxyapatite (HA) sub-micron fibers.
• Fluorescent carbon nanoparticles (FCNPs).
• Bistetramethylammonium (TMA) hydrogencyclotriphosphate and rubidium cyclotetraphosphate using dimethyl sulfoxide as a solvent at low temperature condition.
• Ethylene glycol methacrylate phosphate (EGMP), a UV-reactive phosphonic acid.

General description

Phosphorus pentoxide (P2O5) is a commonly used drying agent. It is a component of Eatons reagent, which is commonly used as a catalyst for dehydration reactions.

Price and Availability

Safety & Documentation

Safety Information

Symbol 
GHS05  GHS05
Signal word 
Danger
Hazard statements 
Supplemental Hazard Statements 
Reacts violently with water.
Personal Protective Equipment 
RIDADR 
UN 1807 8 / PGII
WGK Germany 
1
RTECS 
TH3945000

Documents

Certificate of Analysis

Certificate of Origin

Protocols & Articles
Peer-Reviewed Papers
15

References

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