Input interpretation
helium | common compound names
Result
liquid helium
Chemical names and formulas
formula | He name | liquid helium alternate names | liquefied helium mass fractions | He (helium) 100%
Structure diagram
Structure diagram
Basic properties
molar mass | 4.002602 g/mol phase | liquid (at STP) boiling point | -268.9 °C density | 0.1249 g/cm^3
Units
Liquid properties (at STP)
density | 0.1249 g/cm^3
Units
Thermodynamic properties
molar heat of vaporization | 0.0829 kJ/mol specific heat of vaporization | 0.0207 kJ/g critical temperature | 5.195 K critical pressure | 0.2275 MPa (at STP)
Chemical identifiers
![CAS number | 7440-59-7 PubChem CID number | 23987 SMILES identifier | [He] InChI identifier | InChI=1/He](../image_source/632ced172579e18571873a5cca9daf77.png)
CAS number | 7440-59-7 PubChem CID number | 23987 SMILES identifier | [He] InChI identifier | InChI=1/He