Phosphorous acid

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Phosphorous Acid

Phosphorous Acid (pronunciation: fɒsˈfɔːrəs ˈæsɪd) is a chemical compound with the formula H3PO3. It is also known as Orthophosphorous Acid and Phosphonic Acid.

Etymology

The term "Phosphorous Acid" is derived from the Greek word phosphoros meaning "light-bringer" and the Latin word acidus meaning "sour" or "sharp".

Description

Phosphorous Acid is a weak acid that is typically present as a colorless, odorless solid. It is hygroscopic, meaning it readily absorbs moisture from the air. It is soluble in water and alcohol, and it decomposes upon heating to form Phosphine and Phosphoric Acid.

Uses

Phosphorous Acid is used in a variety of applications. It is used as a reducing agent in chemistry, in the production of Phosphites, and as a precursor to other phosphorus compounds. It is also used in the treatment of metals and in the synthesis of organophosphorus compounds.

Related Terms

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