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Phosphorus pentoxide

SIAL/79609 - puriss. p.a., ACS reagent, ≥98.0% (T)

Synonym: Phosphoric anhydride; Phosphorus(V) oxide

CAS Number: 1314-56-3
Empirical Formula (Hill Notation): O5P2
Molecular Weight: 141.94
EC Number: 215-236-1
Linear Formula: P2O5
Product Type: Chemical

Catalog Number PKG Qty. Price Quantity
45-79609-500G 500 g
$160.00
1/EA
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anion traces chloride (Cl-): ≤10 mg/kg
  nitrate (NO3-): ≤5 mg/kg
assay ≥98.0% (T)
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
  Na: ≤50 mg/kg
  NH4+: ≤10 mg/kg
  Ni: ≤5 mg/kg
  Pb: ≤5 mg/kg
  Zn: ≤5 mg/kg
density 2.3 g/mL at 25 °C (lit.)
form powder or crystals
grade ACS reagent
  puriss. p.a.
impurities ≤0.02% phosphorus trioxide (P2O3)
InChI 1S/O10P4/c1-11-5-12(2)8-13(3,6-11)10-14(4,7-11)9-12
InChI key YWEUIGNSBFLMFL-UHFFFAOYSA-N
mp 340 °C (lit.)
pH 1.5 (20 °C, 10 g/L)
Quality Level 200 
SMILES string O=P12OP3(=O)OP(=O)(O1)OP(=O)(O2)O3
vapor density 4.9 (vs air)
vapor pressure 1 mmHg ( 384 °C)
  10 mmHg ( 238 °C)
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.
Purity ≥98.0% (T)
mp 340 °C (lit.)
Density 2.3 g/mL at 25 °C (lit.)
UNSPSC 12352300

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