Phosphorus(V) chloride
(Redirected from Phosphorus pentachloride)
Phosphorus(V) chloride, also known as phosphorus pentachloride, is a chemical compound. Its chemical formula is PCl5. It contains phosphorus and chloride ions. The phosphorus is in the +5 oxidation state.
Properties
[change | change source]Phosphorus(V) chloride is a colorless solid. It is one of the most important phosphorus chlorides. Sometimes it is yellowish. It reacts with hot water to make phosphoric acid and hydrochloric acid.
Preparation
[change | change source]It is made by reacting a lot of chlorine with phosphorus. It can also be made by reacting chlorine with phosphorus(III) chloride.
Uses
[change | change source]Phosphorus(V) chloride is used to add chloride to other chemical compounds.
Safety
[change | change source]Phosphorus(V) chloride is acidic and toxic. It puts off toxic gases when reacted with water.