ehydrating Agent
Phosphorus Pentoxide is used as a strong drying and dehydrating agent. Many reactions that require the removal of a water molecule can utilize P2O5 such as the dehydration of amides to nitriles.
Starting Material
Phosphorus Pentoxide is the starting material for phosphate esters used as surfactants and extraction agents.
Glass
It is used to manufacture optical glass and heat-insulating glass.
Organic Synthesis
Pharmaceuticals and pesticides are manufactured using P2O5