Phosphorus trichloride

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Phosphorus trichloride structure
The bottle on the right has phosphorus trichloride in it.

Phosphorus trichloride is a chemical compound. It contains phosphorus and chloride ions. It contains phosphorus in its +3 oxidation state. Its chemical formula is PCl3.

Properties[change | edit source]

It is a colorless liquid. It reacts with water to make phosphorous acid and hydrochloric acid. It is very toxic. It is a weak reducing agent.

Preparation[change | edit source]

It is made by reacting extra phosphorus with chlorine. It is used to make phosphorous acid industrially (in factories).

Uses[change | edit source]

It is used to make organic compounds. It is also used to make other phosphorus compounds.

Related pages[change | edit source]