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Hexamethylphosphoramide, often abbreviated HMPA, is a phosphoramide (i.e. an amide of phosphoric acid) having the formula [(CH3)2N]3PO. This colorless liquid is a useful polar aprotic solvent and additive in organic synthesis.
H 1351 (OTTO) Hexamethylphosphoramide, 98% Cas 680-31-9 - used as polar solvent or organic intermediates.