| N-bis(dimethylamino)phosphoryl-N-methyl-methanamine; hexamethylphosphoramide; hexamethylphosphoric acid triamide; hexamethylphosphoric triamide; N,N,N',N',N",N"-hexamethylphosphoric triamide; hexamethylphosphorous triamide; HMPA; HMPT; tris(dimethylamino)phosphine oxide |
| Links: | 📏 NIST, ⚗️ ChemSynthesis, 📖 PubMed |
| CAS RN: | [680-31-9] |
| Formula: | C6H18N3OP; 179.20 g/mol
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| InChiKey: | GNOIPBMMFNIUFM-UHFFFAOYSA-N |
| SMILES: | O=P(N(C)C)(N(C)C)N(C)C |
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| Wiswesser LN: | 1N1&PO&N1&1&N1&1 |
| Use: | aprotic solvent |
| Density: | 1.027 g/mL |
| Molar volume: | 174.5 mL/mol |
| Refractive index: | 1.466 |
| Molecular refractive power: | 48.33 mL/mol |
| Dielectric constant: | 30.00 |
| Dipole moment: | 5.54 D |
| Melting point: | 7 °C |
| Boiling point: | 235 °C |
| Log10 partition octanol / water: | 0.28 |
| Dimroth ET: | 40.9 |
| Hildebrant solubility parameter (δ): | 8.9 |