| helium | |
| Links: | 📖 PubMed |
| CAS RN: | [7440-59-7] |
| Formula: | He; 4.00 g/mol |
| InChiKey: | SWQJXJOGLNCZEY-UHFFFAOYSA-N |
| SMILES: | [He] |
| Density: | 0.150 g/mL |
| Molar volume: | 26.7 mL/mol |
| Dielectric constant: | 1.05 |
| Dipole moment: | 0.00 D |
| Boiling point: | -269 °C |
| Critical temperature: | -268 °C |
| Critical pressure: | 0.2 atm |
| Log10 partition octanol / water: | 0.28 |