page_title: Phosphite ester
hierarchical_section_title: Phosphite ester
caption_attribution_description: English: General structure of a phosphite created with ChemDraw. Español: Estructura del grupo fosfito
context_page_description: In chemistry a phosphite ester or organophosphite usually refers to an organophosphorous compound with the formula P(OR)₃. They can be considered as esters of an unobserved tautomer phosphorous acid, H₃PO₃, with the simplest example being trimethylphosphite, P(OCH₃)₃. Some phosphites can be considered esters of the dominant tautomer of phosphorous acid. The simplest representative is dimethylphosphite with the formula HP(OCH₃)₂. Both classes of phosphites are usually colorless liquids.
context_section_description: In chemistry a phosphite ester or organophosphite usually refers to an organophosphorous compound with the formula P(OR)₃. They can be considered as esters of an unobserved tautomer phosphorous acid, H₃PO₃, with the simplest example being trimethylphosphite, P(OCH₃)₃.  Some phosphites can be considered esters of the dominant tautomer of phosphorous acid (HP(O)(OH)₂).  The simplest representative is dimethylphosphite with the formula HP(O)(OCH₃)₂. Both classes of phosphites are usually colorless liquids.
caption: The general structure of a phosphite ester showing the lone pairs on the P
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