Ethylbenzene

Formula: C₈H₁₀
Molecular weight: 106.1650
IUPAC Standard InChI: InChI=1S/C8H10/c1-2-8-6-4-3-5-7-8/h3-7H,2H2,1H3
IUPAC Standard InChIKey: YNQLUTRBYVCPMQ-UHFFFAOYSA-N
CAS Registry Number: 100-41-4
Chemical structure:
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Isotopologues:
- Ethylbenzene-d10
Other names: Benzene, ethyl-; Ethylbenzol; EB; Phenylethane; Aethylbenzol; Ethylbenzeen; Etilbenzene; Etylobenzen; NCI-C56393; UN 1175; α-Methyltoluene; NSC 406903
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Enthalpy of combustion of liquid at standard conditions (nominally 298.15 K, 1 atm.)

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Data compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Δ_cH°_liquid (kJ/mol)	Method	Reference	Comment
-4562.4 ± 1.0	Ccb	Coops, Mulder, et al., 1953	Reanalyzed by Cox and Pilcher, 1970, Original value = -4562. ± 1. kJ/mol; See Coops, Mulder, et al., 1946; Corresponding Δ_fHº_liquid = -14.8 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
-4564.87 ± 0.71	Ccb	Prosen, Gilmont, et al., 1945	Hf by Prosen, Johnson, et al., 1946; Corresponding Δ_fHº_liquid = -12.3 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
-4566.4	Ccb	Auwers and Kolligs, 1922	From Fittig reaction; Corresponding Δ_fHº_liquid = -11. kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
-4557.6	Ccb	Auwers and Kolligs, 1922	From Clemmensen reaction; Corresponding Δ_fHº_liquid = -20. kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
-4565.9	Ccb	Richards and Barry, 1915	At 291 K; Corresponding Δ_fHº_liquid = -11.3 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
-4584.0	Ccb	Moureu and Andre, 1914	Corresponding Δ_fHº_liquid = 6.7 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS

References

Go To: Top, Enthalpy of combustion of liquid at standard conditions (nominally 298.15 K, 1 atm.), Notes

Coops, Mulder, et al., 1953
Coops, J.; Mulder, D.; Dienske, J.W.; Smittenberg, J., Thermochemical investigations on arylethanes I. Heats of combustion of phenylethanes., Rec. Trav. Chim. Pays/Bas, 1953, 72, 785. [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]

Coops, Mulder, et al., 1946
Coops, J.; Mulder, D.; Dienske, J.W.; Smittenberg, J., The heats of combustion of a number of hydrocarbons, Rec. Trav. Chim. Pays/Bas, 1946, 65, 128. [all data]

Prosen, Gilmont, et al., 1945
Prosen, E.J.; Gilmont, R.; Rossini, F.D., Heats of combustion of benzene, toluene, ethyl-benzene, o-xylene, m-xylene, p-xylene, n-propylbenzene, and styrene, J. Res. NBS, 1945, 34, 65-70. [all data]

Prosen, Johnson, et al., 1946
Prosen, E.J.; Johnson, W.H.; Rossini, F.D., Heats of combustion and formation at 25°C of the alkylbenzenes through C₁₀H₁₄, and of the higher normal monoalkylbenzenes, J. Res. NBS, 1946, 36, 455-461. [all data]

Auwers and Kolligs, 1922
Auwers, K.v.; Kolligs, H., Ober praparate verschiedener herkunft von cymol und Athyl-benzol, Ber. Chem. Ges, 1922, 3872-3879. [all data]

Richards and Barry, 1915
Richards, T.W.; Barry, F., The heats of combustion of aromatic hydrocarbons and hexamethylene, J. Am. Chem. Soc., 1915, 37, 993-1020. [all data]

Moureu and Andre, 1914
Moureu, C.; Andre, E., Thermochimie des composes acetyleniques, Ann. Chim. Phys., 1914, 1, 113-145. [all data]

Notes

Go To: Top, Enthalpy of combustion of liquid at standard conditions (nominally 298.15 K, 1 atm.), References

Symbols used in this document:

Δ_cH°_liquid Enthalpy of combustion of liquid at standard conditions
Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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