Dxata including density, flammability range, and auto ignition energy for hydrogen.  Refer to the table below, or download the attachment. Properties Value Units Auto ignition temperature [3,a] 500-585 °C   932-1085 °F…
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.…
Contains a comparison of the amount of fuel necessary to provide the same energy unit based on the lower heating values.
Hydrogen Compressibility at different temperatures and pressures
Hydrogen Density at different temperatures and pressures
Hydrogen Enthalpy at different temperatures and pressures
Hydrogen Entropy at different temperatures and pressures
,
Hydrogen mass and volume conversion factors at common temperatures and pressures. Data from NIST.
Hydrogen Specific Heat at different temperatures and pressures
Hydrogen Thermal Conductivity at different temperatures and pressures
Hydrogen Viscosity at different temperatures and pressures
Contains lower and higher heating values for hydrogen and various solid, liquid, and gaseous fuels.