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P0679 Sigma-Aldrich

Phosphorus pentoxide

ACS reagent, ≥98%

Synonym: Phosphoric anhydride, Phosphorus(V) oxide

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Properties

grade   ACS reagent
vapor density   4.9 (vs air)
vapor pressure   1 mmHg ( 384 °C)
  10 mmHg ( 238 °C)
assay   ≥98%
impurities   Phosphorus trioxide (P2O3), passes test (limit 0.02%)
  ≤0.02% Insoluble matter
mp   340 °C (lit.)
density   2.3 g/mL at 25 °C (lit.)
cation traces   NH4+: ≤0.01%
  heavy metals (as Pb): ≤0.01%
SMILES string   O=P12OP3(=O)OP(=O)(O1)OP(=O)(O2)O3
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
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

Documents

Certificate of Analysis (COA)

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Description

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298220 Phosphorus pentoxide, powder, ACS reagent, ≥98.0%

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