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Phosphorus trichloride

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

Phosphorus trichloride is a chemical compound. It is a molecular compound made up of phosphorus covalently bonded to three chlorine atoms. The phosphorus is considered to be in a 3+ oxidation state and each chlorine is considered to be in a 1- oxidation state. The chemical formula is PCl3.

PropertiesEdit

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.

PreparationEdit

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

UsesEdit

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

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