title: Phosphorus oxide
text: # 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, $PO_2$
  