Dortmund Data Bank

Std. Heat of Formation of Methane

The experimental data shown in these pages are freely available and have been published already in the DDB Explorer Edition. The data represent a small sub list of all available data in the Dortmund Data Bank. For more data or any further information please search the DDB or contact DDBST.


Formula Molar Mass CAS Registry Number Name
CH4 16.043 74-82-8 Methane
Search the DDB for all data of Methane


See larger image

Data Table

T [K] P [kPa] Molar Enthalpy [J/mol] State Reference
  101.325 -74500.00 Vapor 4
298.00   -74851.80 Vapor 5
298.00   -74848.00 Vapor 2
298.00   -74475.00 Vapor 1

List of References

Number Source
1 Pittam D.A.; Pilcher G.: Part 8. Methane, Ethane, Propane, n-Butane and 2-Methylpropane. J.Chem.Soc.Faraday Trans.1 68 (1972) 2224-2229
2 Prosen E.J.; Pitzer K.S.; Rossini F.D.: Heats and free energies of formation of the paraffin hydrocarbons, in the gaseous state, to 1500 K.. J.Res. NBS 34 (1945) 403-411
3 Prosen E.J.; Rossini F.D.: Heats of combustion and formation of the paraffin hydrocarbons at 25oC.. J.Res. NBS 34 (1945) 263-269
4 Bickerton J.; Minas Da Piedade M.E.; Pilcher G.: Enthalpy of formation of tetrabromomethane by rotating-bomb calorimetry.. J.Chem.Thermodyn. 16 (1984) 661-668
5 Domalski E.S.: Selected Values of Heats of Combustion and Heats of Formation of Organic Compounds Containing the Elements C, H, N, O, P, and S. J.Phys.Chem.Ref.Data 1 (1972) 221-277

Pure Component Data Overview