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79609 Sigma-Aldrich

Phosphorus pentoxide

puriss. p.a., ACS reagent, ≥98.0% (T)

Synonym: Phosphoric anhydride, Phosphorus(V) oxide

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Properties

Related Categories Analytical Reagents, Analytical Reagents for General Use, Analytical/Chromatography, O-P, Puriss p.a. ACS, Puriss p.a. ACS More...
grade   ACS reagent
vapor density   4.9 (vs air)
vapor pressure   1 mmHg ( 384 °C)
  10 mmHg ( 238 °C)
grade   puriss. p.a.
assay   ≥98.0% (T)
impurities   ≤0.02% phosphorus trioxide (P2O3)
mp   340 °C(lit.)
density   2.3 g/mL at 25 °C(lit.)
anion traces   chloride (Cl-): ≤10 mg/kg
  nitrate (NO3-): ≤5 mg/kg
cation traces   As: ≤100 mg/kg
  Ca: ≤10 mg/kg
  Cd: ≤5 mg/kg
  Co: ≤5 mg/kg
  Cr: ≤5 mg/kg
  Cu: ≤5 mg/kg
  Fe: ≤5 mg/kg
  K: ≤50 mg/kg
  Mg: ≤5 mg/kg
  Mn: ≤5 mg/kg
  NH4+: ≤10 mg/kg
  Na: ≤50 mg/kg
  Ni: ≤5 mg/kg
  Pb: ≤5 mg/kg
  Zn: ≤5 mg/kg

Description

Application

Phosphorus pentoxide may be used in the synthesis of dichlorine heptoxide (Cl2O7).

General description

Phosphorus pentoxide (P2O5) is a phosphorous oxide. It participates in Pictet-Gams synthesis. Phosphorus pentoxide supported on alumina has been used for solvent-free and microwave-assisted synthesis of 1, 5-benzodiazepine derivatives.

Price and Availability

Suggested Laboratory Gloves


Laboratory GlovesThis substance has been tested against several types of hand protection for CE compliance. Click below to find the recommended gloves for handling this product.



Safety & Documentation

Safety Information

Symbol 
GHS05  GHS05
Signal word 
Danger
Hazard statements 
Supplemental Hazard Statements 
Reacts violently with water.
RIDADR 
UN 1807 8 / PGII
WGK Germany 
1
RTECS 
TH3945000
Protocols & Articles
Peer-Reviewed Papers
15

References

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