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79610

Sigma-Aldrich

Phosphorus pentoxide

desiccant, with moisture indicator

Synonym(s):

Sicapent®, 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:
12352303
PubChem Substance ID:
24887482

vapor density

4.9 (vs air)

Quality Level

100

vapor pressure

1 mmHg ( 384 °C)
10 mmHg ( 238 °C)

form

powder, crystals or granules

quality

with moisture indicator

pH

1.5 (20 °C, 10 g/L)

mp

340 °C (lit.)

density

2.3 g/mL at 25 °C (lit.)

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 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.

Application

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

Legal Information

Sicapent is a registered trademark of Merck KGaA, Darmstadt, Germany

pictograms

Corrosion
GHS05

signalword

Danger

hcodes

H314

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1A

supp_hazards

EUH014

Storage Class

8B - Non-combustible corrosive hazardous materials

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

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Certificates of Analysis (COA)

Lot/Batch Number
BCCG1406
BCCG1405
BCCD5594
BCCD5593
BCCD0156

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Alumina/phosphorus pentoxide (APP) as an efficient reagent for the synthesis of 1, 5-benzodiazepines under microwave irradiation.
Kaboudin B and Navaee K.
Heterocycles, 1443-1446 (2001)
Eagleson M.
Concise Encyclopedia Chemistry, 836-836 (1994)
Ana García et al.
Acta biomaterialia, 7(3), 1265-1273 (2010-10-19)
Herein we report for the first time the synthesis of three-dimensional scaffolds in the binary system SiO2-P2O5 exhibiting different scales of porosity: (i) highly ordered mesopores with diameters of ca. 4 nm; (ii) macropores with diameters in the 30-80 μm
Eagleson M.
Concise Encyclopedia Chemistry, 215-215 (1994)
Ping-Jian Li et al.
Nano letters, 9(7), 2513-2518 (2009-07-09)
The single-crystal n-type and p-type ZnO nanowires (NWs) were synthesized via a chemical vapor deposition method, where phosphorus pentoxide was used as the dopant source. The electrical and photoluminescence studies reveal that phosphorus-doped ZnO NWs (ZnO:P NWs) can be changed
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