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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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 |