tributyl phosphate

noun

tri·​butyl phosphate

(ˈ)trī+-

: a liquid inorganic ester (C₄H₉)₃PO₄ made from normal butyl alcohol and phosphorus oxychloride and used chiefly as a solvent and plasticizer (as for nitrocellulose lacquers and cellulose plastics)

Word History

Etymology

tributyl from tri- + butyl

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