|
Physical and Chemical Properties
|
Physical State
|
White, very deliquescent
solid with irritating odor
|
Melting
Point
|
580°C (under pressure)
|
Boiling
Point
|
Sublimes at 300 °C
|
Specific
Gravity
|
2.39
|
Solubility
in Water
|
Exothermically reacts
|
PH
|
<2 (0.1 N aqueous sol.
of phosphoric acid)
|
Vapor
Density
|
4.9
|
NFPA
Ratings
|
Health: 3; Flammability: 1;
Reactivity: 2; Other: water reactive.
|
Flash
Point
|
Non combustilble
|
Stability
|
Stable under ordinary
conditions
|
|
|
|
Applications
|
|
It is used as a strong dehydrating agent, capable even of
dehydrating concentrated sulphuric acid into sulphur trioxide. It
dehydrates amides to nitriles. End applications include manufacture of
phosphorus compounds, purifying sugar, optical glass, heat-insulating
glass, medicine, pesticide and surfactant manufacturing.
|
|
Phosphorus Pentoxide, 99.5%
Min
|
|
WCode: 16-055-001
|
|
|
|
Sales Specification
|
Appearance
|
White crystal, very
deliquescent
|
Assay
|
99.5% Min
|
Fe
|
0.01% Max
|
As
|
0.01% Max
|
Heavy
metal (As Pb)
|
0.01% Max
|
Water
insoluble matter
|
0.01% Max
|
Total
N
|
0.01% Max
|
|
|
Packing:
|
In 25KG plastic woven bag.
|
|
|
|
|
