Phosphorus oxide
# Phosphorus oxide

Phosphorus oxide can refer to:

* Phosphorus pentoxide (phosphorus(V) oxide, phosphoric anhydride), $P_2O_5$
* Phosphorus trioxide (phosphorus(III) oxide, phosphorous anhydride), $P_2O_3$
* Phosphorus tetroxide, $P_2O_4$
* Several other, less common, oxides of phosphorus, including $P_4O_7,$ $P_4O_8,$ $P_4O_9,$ and $P_2O_6$

Gases:

* Phosphorus monoxide, PO
* Phosphorus dioxide, $PO_2$
