Benzene, (1-methylethyl)-
- Formula: C9H12
- Molecular weight: 120.1916
- IUPAC Standard InChIKey: RWGFKTVRMDUZSP-UHFFFAOYSA-N
- CAS Registry Number: 98-82-8
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Cumene; Cumol; Isopropylbenzene; 2-Phenylpropane; (1-Methylethyl)benzene; Isopropylbenzol; Benzene, isopropyl-; Cumeen; Isopropilbenzene; Isopropylbenzeen; Propane, 2-phenyl-; 2-Fenilpropano; 2-Fenyl-propaan; Rcra waste number U055; UN 1918; (Methylethyl)benzene; Benzene, i-propyl-; i-Propylbenzene; NSC 8776; iso-propylbenzene (cumene); (1-methylethyl)benzene (cumene)
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Condensed phase thermochemistry data
Go To: Top, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°liquid | -41.2 ± 1.1 | kJ/mol | Ccb | Prosen, Gilmont, et al., 1945 | Hf by Prosen, Johnson, et al., 1946; ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -5215.44 ± 0.96 | kJ/mol | Ccb | Prosen, Gilmont, et al., 1945 | Hf by Prosen, Johnson, et al., 1946; Corresponding ΔfHºliquid = -41.1 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
ΔcH°liquid | -5218.6 | kJ/mol | Ccb | Richards and Barry, 1915 | At 291 K; Corresponding ΔfHºliquid = -38.0 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
Quantity | Value | Units | Method | Reference | Comment |
S°liquid | 277.57 | J/mol*K | N/A | Kishimoto, Suga, et al., 1973 | DH |
Constant pressure heat capacity of liquid
Cp,liquid (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
214.4 | 295.96 | Andolenko and Grigor'ev, 1979 | T = 296 to 413 K. Unsmoothed experimental datum given as 1.784 kJ/kg*K.; DH |
215.40 | 298.15 | Kishimoto, Suga, et al., 1973 | T = 14 to 314 K. Glass, 14 to 126 K.; DH |
209.41 | 299.8 | Schlinger and Sage, 1952 | T = 300 to 366 K.; DH |
213.0 | 298. | Kurbatov, 1947 | T = 16 to 153°C, mean Cp, four temperatures.; DH |
198.7 | 302.0 | de Kolossowsky and Udowenko, 1934 | DH |
198.7 | 302.0 | Kolosovskii and Udovenko, 1934 | DH |
References
Go To: Top, Condensed phase thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
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]
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]
Kishimoto, Suga, et al., 1973
Kishimoto, K.; Suga, H.; Syuzo, S.,
Calorimetric study of the glassy state. VIII. Heat capacity and relaxational phenomena of isopropylbenzene,
Bull. Chem. Soc. Japan, 1973, 46, 3020-3031. [all data]
Andolenko and Grigor'ev, 1979
Andolenko, R.A.; Grigor'ev, B.A.,
Investigation of isobaric heat capacity of aromatic hydrocarbons at atmospheric pressure, Iaz. Vyssh. Ucheb. Zaved.,
Neft i Gaz (11), 1979, 78, 90. [all data]
Schlinger and Sage, 1952
Schlinger, W.G.; Sage, B.H.,
Isobaric heat capacities at bubble point. cis-2-butene, isopropylbenzene, and n-decane,
Ind. Eng. Chem., 1952, 44, 2454-2456. [all data]
Kurbatov, 1947
Kurbatov, V.Ya.,
Specific heat of liquids. I. Specific heat of benzenoid hydrocarbons,
Zhur. Obshch. Khim., 1947, 17, 1999-2003. [all data]
de Kolossowsky and Udowenko, 1934
de Kolossowsky, N.; Udowenko, W.W.,
Determination des chaleurs specifiques des liquides,
Compt. rend., 1934, 198, 1394-1395. [all data]
Kolosovskii and Udovenko, 1934
Kolosovskii, N.A.; Udovenko, W.W.,
Specific heat of liquids. II.,
Zhur. Obshchei Khim., 1934, 4, 1027-1033. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid S°liquid Entropy of liquid at standard conditions ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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