Phosphorus Pentoxide

Basic Information

Other Names: Phosphorus Oxide; Phosphoric Oxide; Phosphorpentoxid; P2O5

Molecular Formula: P2O5

Molecular Weight: 141.94

CAS NO.: 1314-56-3

EINECS NO.: 215-236-1

UN NO.: 1807

H.S. CODE NO.: 28091000.00

Purity: 99% min.

Physicochemical Properties

1.Melting Point: 340°C (lit.)

2.Boiling Range: 122°C (1 mmHg)

3.Refractive Index: 1.433~1.436  

4.Density: 2.3 g/mL at 25 °C(lit.)

5.Vapor Density:4.9 (vs air)

6.Vapour Pressure: 1 mm Hg ( 384 °C)

7.Sublimation: 340~360°C

8.Stability: Stability Stable, but reacts violently with water, alcohols, metals, sodium, potassium, ammonia, oxidizing                                agents, HF, peroxides, magnesium, strong bases.

Technical Specifications  

Chemical PureAnalytic PureFood Grade
AppearanceWhite PowderWhite PowderWhite Powder
Live R Value>2>3>3.5
Reduced (P2O3)<0.01<0.008<0.005
Learity TestQualifiedQualifiedQualified
Water insoluble matter<0.01<0.005<0.005
Total N<0.01<0.002<0.001
Heavy metals with (the Pb allounts)<0.01<0.002<0.001

Packaging Types:

                  Woven bag (20kg/25kg); Paper drum (25kg/50kg); Container Sack (500kg/1000kg)


Raw materials for phosphorus oxychloride and metaphosphoric acid, acrylic ester, surfactant, anhydrating agent, drying

agent, anti-static agent, purified and analytical grade reagents for drugs and sugars.

Transport Information

1.IMDG: Class 8

2.Packaging group: II

3.Storage: Stored in dry, cool airiness place, far away from heat, avoid insolation, signal with no moisture and

                 no insolation.