hexamethylphosphoramide

noun

An organophosphorus compound with the chemical formula [(CH₃)₂N]₃PO, a useful polar aprotic solvent and additive in organic synthesis.

Similar
HMPA
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Meanings

nounhexamethylphosphoramide (uncountable)
  1. uncountablechemistryAn organophosphorus compound with the chemical formula [(CH₃)₂N]₃PO, a useful polar aprotic solvent and additive in organic synthesis.

    Synonyms: HMPA

Synonyms & antonyms

nounAn organophosphorus compound with the chemical formula [(CH₃)₂N]₃PO, a useful polar aprotic solvent and additive in organic synthesis.

Similar
HMPA

Origin

From hexa- + methyl + phosphor + amide.

Full word history & related roots →
Cite this entry
APA

hexamethylphosphoramide. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/hexamethylphosphoramide

MLA

“hexamethylphosphoramide.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/hexamethylphosphoramide. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “hexamethylphosphoramide,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/hexamethylphosphoramide.

Source: hexamethylphosphoramide on Wiktionary, CC BY-SA 4.0.