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1314-56-3 - Phosphorus(V) oxide, 98% - Phosphorus pentoxide - A13348 - Alfa Aesar

A13348 Phosphorus(V) oxide, 98%

Número CAS
1314-56-3
Nombre Alternativo
Phosphorus pentoxide

Tamaño Precio ($) Cantidad Disponibilidad
500g 21,90
2500g 73,10
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Phosphorus(V) oxide, 98%

MDL
MFCD00011440
EINECS
215-236-1

Propiedades químicas

Fórmula
P2O5
Peso molecular
141.94
Punto de fusión
340°
Punto de ebullición
360° subl.
Densidad
2.39
Sensibilidad
Moisture Sensitive
Solubilidad
Soluble in sulfuric acid. Insoluble in acetone and ammonia. Decomposes in water.

Aplicaciones

Phosphorus(V) oxide is used as a drying and dehydrating agent, a condensation reagent in organic synthesis and a laboratory reagent. It is also used in sugar refining and in fire extinguishing. Phosphorus pentoxide in DMSO forms an Onodera reagent which oxidizes alcohols. It is capable of converting mineral acids to anhydrides.

Notas

It is highly hygroscopic in nature and gets hydrolyzed to phosphoric acid. It is stored in a separate safety cabinet away from incompatibles such as alkalis and water.

Referencias documentales

"

Silylates primary and sec-alcohols and phenols, in the presence of p-TsOH as catalyst. If the substrate contains acid-sensitive groups, PPTS can be used: Tetrahedron Lett., 4261 (1978). See Appendix 4.

In the presence of FeCl3, reacts with benzotrichlorides to give substituted benzoyl chlorides in good yields: J. Chem. Soc., Chem. Commun., 808 (1977).

Reacts with P2O5 to give trimethylsilyl polyphosphate ('PPSE'), a milder and more convenient dehydrating agent then polyphosphoric acid. For examples, and related reagents, see Phosphorus(V)­ oxide, A13348.

"

Meier, M. S. Phosphorus(V) Oxide. In Encyclopedia of Reagents for Organic Synthesis; Pacquette, L., Ed.; J. Wiley & Sons, New York, 2004.

Ebadi, M.; Mirdamadian, Z.; Ghanbari, D.; Moradi, L. The Effect of Aminated Carbon Nanotube and Phosphorus Pentoxide on the Thermal Stability and Flame Retardant Properties of the Acrylonitrile-Butadiene-Styrene. J. Cluster Sci. 2014, 25 (2), 541-548.

Indicaciones de peligro y de precaución del GHS

Indicaciones de peligro (UE): H314

Causes severe skin burns and eye damage.

Indicaciones de precaución: P260u-P303+P361+P353-P305+P351+P338-P301+P330+P331-P405-P501a

IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Otras referencias

Merck
14,7355
Clase de peligro
8
Grupo de embalaje
II
Código de tarifa arancelaria unificado
2809.10
TSCA
Yes
RTECS
TH3945000

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