foszforIIIoxid

Phosphorus trioxide, also known as phosphorus oxide, is a chemical compound with the formula P4O6. It is a white, crystalline solid that is highly reactive and hygroscopic, meaning it readily absorbs moisture from the air. Phosphorus trioxide is a key intermediate in the production of various phosphorus compounds, including phosphoric acid, which is widely used in fertilizers and as a food additive.

The compound is typically prepared by burning phosphorus in a limited supply of oxygen. The reaction produces a mixture of phosphorus trioxide and phosphorus pentoxide (P4O10). The mixture can be separated by sublimation, where phosphorus trioxide sublimes at a lower temperature than phosphorus pentoxide.

Phosphorus trioxide is a strong oxidizing agent and can react violently with reducing agents. It is also corrosive to metals and can cause burns to skin and eyes. Due to its reactivity and corrosiveness, phosphorus trioxide is handled with care in industrial settings.

In addition to its industrial applications, phosphorus trioxide has been studied for its potential use in various chemical reactions and as a precursor for the synthesis of other phosphorus compounds. However, its handling requires strict safety precautions due to its hazardous properties.