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Phosphorus Pentoxide
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Phosphorus Pentoxide

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Description
Phosphorus pentoxide;
P2O5, CAS no. 1314-56-3;
White crystalline powder;
Dehydrating agent, sugar refining agent;
Used as drying agent, dehydrant.
Chemical Identification

Common Name:

Phosphorus pentoxide





Synonyms:

Diphosphorus Pentaoxide;

Di-Phosphorus Pentoxide;

P2-O5;

Phosphoric Anhydride;

Phosphorus(V) oxide;

CAS No.:

1314-56-3

EINECS No.:

215-236-1

Appearance:

White crystalline powder.

Density:

2.39 g/cm3

Melting Point:

580-585°C 

Stability:

Moisture sensitive

Molecular Formula:

P2O5

Molecular Weight:

141.94


Molecular Structure:


Product Information

Specifications:

Specifications of phosphorus pentoxide

Product name: Phosphorus pentoxide

Manufacturer: Ningbo Titan Unichem Co., Ltd.

TEST ITEMS

SPECIFICATIONS

Appearance

White powder

Content

99.0% min

As

100ppm max

Fe

0.005% max

Heavy metal (Pb)

0.005% max

P2O3

0.02% max

Water insoluble

0.01% max


Pictures:

 

Loading of phosphorus pentoxide from TITAN UNICHEM.

 

Loading of phosphoric anhydride from TITAN UNICHEM.

Packaging:

  • Packed in 50Kg/200Kg plastic/iron drum;

  • Or package as per customer's request.

Delivery Lead Time:

  • Prompt shipment within 2 weeks.

Storage & Handling:

  • Store in a cool, dry and well-ventilated place.

  • Keep containers tightly closed.

  • Keep away from water, metals, alkali and flammable substances.

  • Phosphorus pentoxide smoke will irritate mucous membrane, skins.

  • It has the ability to dehydrate water from fresh organization.

Safety Information:

Hazard Class:

8

RIDADR:

UN 1807 8/PG 2

Packing Group:

II

HS Code:

2809100000

Safety Statements:

S22-S26-S45

Risk Statements:

R35

Hazard Codes:

C: Corrosive


Application

Descriptions:

  • Phosphorus pentoxide is white soft powder.

  • Phosphorus pentoxide is soluble in water and produce large quantity of heat and smoke.

  • Phosphorus pentoxide is also soluble in sulfuric acid, but insoluble in acetone.

  • Phosphorus pentoxide is easy deliquescence if exposed in the air.

  • Phosphorus pentoxide is slightly corrosive to metals when affected with damp. 

Uses:

  • Phosphorus pentoxide is mainly used as industrial raw materials and reagent. 

  • Phosphorus pentoxide is used in manufacture of pharmaceuticals, coating additive, dyeing auxiliary, coupling agent of organic titanate, phosphorus oxychloride, etc.

  • Phosphorus pentoxide is used in producing high purity phosphoric acid, phosphate and phosphoric acid ester.

  • Phosphorus pentoxide is also used as drying agent for gas and liquid, dehydrant for organic synthesis, etc.

  • Phosphorus pentoxide can be used as a desiccant, dehydrating agent, sugar refining agent, etc.

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