CAS Registry Number

CAS 1608-26-0 — Hexamethylphosphorous triamide

Hexamethylphosphorous triamide (HMPA) is a polar aprotic solvent and strong coordinating ligand used in organic synthesis, particularly in nucleophilic substitution and metal-catalyzed reactions. It is a clear, colorless liquid with a molecular formula of P[N(CH3)2]3, a molecular weight of 163.20 g/mol, and is stable at ambient storage conditions. Hazardous: signal word Danger. Molekula supplies Hexamethylphosphorous triamide from research to bulk quantities with full documentation and ISO 9001:2015 traceability.