Phosphorus oxide can refer to:
*
Phosphorus pentoxide
Phosphorus pentoxide is a chemical compound with molecular formula P4 O10 (with its common name derived from its empirical formula, P2O5). This white crystalline solid is the anhydride of phosphoric acid. It is a powerful desiccant and dehydra ...
(phosphorus(V) oxide, phosphoric anhydride), P
2O
5
*
Phosphorus trioxide
Phosphorus trioxide is the chemical compound with the molecular formula P4O6. Although the molecular formula suggests the name tetraphosphorus hexaoxide, the name phosphorus trioxide preceded the knowledge of the compound's molecular structure, a ...
(phosphorus(III) oxide, phosphorous anhydride), P
2O
3
*
Phosphorus tetroxide
Diphosphorus tetroxide, or phosphorus tetroxide is an inorganic compound of phosphorus and oxygen. It has the empirical chemical formula . Solid phosphorus tetroxide (also referred to as phosphorus(III,V)-oxide) consists of variable mixtures of t ...
,
* Several other, less common,
oxides of
phosphorus
Phosphorus is a chemical element with the symbol P and atomic number 15. Elemental phosphorus exists in two major forms, white phosphorus and red phosphorus, but because it is highly reactive, phosphorus is never found as a free element on Ea ...
, including P
4O
7, P
4O
8, P
4O
9, and P
2O
6
Gases:
*
Phosphorus monoxide
Phosphorus monoxide is an unstable radical inorganic compound with molecular formula P O.
Phosphorus monoxide is notable as one of the few molecular compounds containing phosphorus that has been detected outside of Earth. Other phosphorus con ...
, PO
*
Phosphorus dioxide
Phosphorus dioxide () is a gaseous oxide of phosphorus. It is a free radical that plays a role in the chemiluminescence of phosphorus and phosphine. It is produced when phosphates are heated to high temperatures.
In the ground state
The gr ...
,
{{Chemistry index