Phosphorus(V) chloride

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The bottle on the left is phosphorus(V) chloride

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 | edit 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 | edit 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 | edit source]

Phosphorus(V) chloride is used to add chloride to other chemical compounds.

Safety[change | edit source]

Phosphorus(V) chloride is acidic and toxic. It puts off toxic gases when reacted with water.

Related pages[change | edit source]