Basic Hydrogen Properties Download the information in Excel format:  Properties Value Units Auto ignition temperature 500 °C   932 °F Boiling point (1 atm) -252.9 °C   -423.2 °F Density NTP  0.08375…
Property Units Hydrogen Methane Propane Methanol Ethanol Gasoline Chemical Formula   H2 CH4 C3H8 CH3OH C2H5OH CxHy (x = 4 - 12) Molecular Weight [a, b]   2.02 16.04 44.1 32.04 46.…
Hydrogen Density at different temperatures and pressures
Hydrogen mass and volume conversion factors at common temperatures and pressures. Data from NIST.
Contains lower and higher heating values for hydrogen and various solid, liquid, and gaseous fuels.