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.