Hydrogen Data Book

Data including density, flammability range, and autoignition energy for hydrogen. Hydrogen Properties Properties Value Units Auto ignition temperature [3,a] 585 °C   1085 °F Boiling point (1 atm) [b... more
    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 46.07 100 - 105... more
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
Entropy (English).xls (119.5 kB) , Entropy (SI).xls (120.5 kB)
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.
A list of some of the resources available in the Hydrogen Data Resource Center. Hydrogen Properties at Normal Boiling Point     English       Metric   Property Units Liquid Vapor   Units Liquid... more