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431419

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Phosphorus pentoxide

≥99.99% trace metals basis

Synonym(s):

Phosphoric anhydride, Phosphorus(V) oxide

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About This Item

Linear Formula:
P2O5
CAS Number:
1314-56-3
Molecular Weight:
141.94
EC Number:
215-236-1
UNSPSC Code:
12352300
PubChem Substance ID:
57650157
NACRES:
NA.21

vapor density

4.9 (vs air)

Quality Level

100

vapor pressure

1 mmHg ( 384 °C)
10 mmHg ( 238 °C)

Assay

≥99.99% trace metals basis

form

powder

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%

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

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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.

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.

Features and Benefits

Meets A.C.S. reagent specifications.

Pictograms

Corrosion
GHS05

Signal Word

Danger

Hazard Statements

H314

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1A

Supplementary Hazards

EUH014

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

危险化学品

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Lot/Batch Number

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