phosphorus oxychloride

noun

Definition of phosphorus oxychloride

: a volatile fuming liquid compound POCl3 made usually by oxidation of phosphorus trichloride or by reaction of phosphorus pentachloride with phosphorus pentoxide and used chiefly in making phosphoric esters (as tricresyl phosphate)

called also phosphoryl chloride

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Cite this Entry

“Phosphorus oxychloride.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/phosphorus%20oxychloride. Accessed 20 Jun. 2021.

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