hexamethylphosphoramide

== English == === Etymology === From hexa- +‎ methyl +‎ phosphor +‎ amide. === Noun === hexamethylphosphoramide (uncountable) (chemistry) An organophosphorus compound with the chemical formula [(CH3)2N]3PO, a useful polar aprotic solvent and additive in organic synthesis. ==== Synonyms ==== HMPA