Dortmund Data Bank

Entropy 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
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Data Table

T [K] Molar Entropy [J/(mol*K)] State Reference
298.00 185.56 Vapor 2
298.00 186.00 Vapor 5
298.00 186.19 Vapor 1
298.00 186.61 Vapor 3
298.00 188.66 Vapor 6

List of References

Number Source
1 Cerny C.; Erdös E.: Thermodynamic functions of methane, silane and their chloro derivatives. I. CH4, SiH4, CCl4, SiCl4.. Chem.Listy 47 (1953) 1742-1744
2 Giauque W.F.; Blue R.W.; Overstreet R.: The entropies of methane and ammonia.. Phys.Rev. 38 (1931) 196-197
3 Pitzer K.S.: Thermodynamics of gaseous hydrocarbons: Ethane, ethylene, propane, propylene, n-butane, isobutane, 1-butene, cis and trans 2-butenes, isobutene, and neopentane (tetramethylmethane).. J.Chem.Phys. 5 (1937) 473-479
4 Pitzer K.S.: Thermodynamics of Gaseous Paraffins. Specific Heat and Related Properties.. Ind.Eng.Chem. 36 (1944) 829-831
5 McDowell R.S.; Kruse F.H.: Thermodynamic functions of methane.. J.Chem.Eng.Data 8 (1963) 547-548
6 Colwell J.H.; Gill E.K.; Morrison J.A.: Thermodynamic Properties of CH4 and CD4. Interpretation of the Properties of the Solids. J.Chem.Phys. 39 (1963) 635-653

Pure Component Data Overview