Propane, 2-methoxy-2-methyl-
- Formula: C5H12O
- Molecular weight: 88.1482
- IUPAC Standard InChI: InChI=1S/C5H12O/c1-5(2,3)6-4/h1-4H3
- IUPAC Standard InChIKey: BZLVMXJERCGZMT-UHFFFAOYSA-N
- CAS Registry Number: 1634-04-4
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
View 3d structure (requires JavaScript / HTML 5) - Other names: Ether, tert-butyl methyl; tert-Butyl methyl ether; Methyl tert-butyl ether; 2-Methoxy-2-methylpropane; 2-Methyl-2-methoxypropane; tert-C4H9OCH3; Methyl t-butyl ether; MTBE; Methyl 1,1-dimethylethyl ether; UN 2398; Driveron; 1,1-Dimethylethyl methyl ether; t-Butyl methyl ether; methyl tert-butyl ether (MTBE)
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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 | -315.4 | kJ/mol | Cm | Arntz and Gottlieb, 1985 | At 319K; ALS |
| ΔfH°liquid | -313.6 ± 1.3 | kJ/mol | Ccb | Fenwick, Harrop, et al., 1975 | ALS |
| ΔfH°liquid | -322.9 ± 5.0 | kJ/mol | Ccb | Smutny and Bondi, 1961 | Heat of combustion corrected for pressure; ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°liquid | -3368.97 | kJ/mol | Ccb | Fenwick, Harrop, et al., 1975 | Corresponding ΔfHºliquid = -313.56 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
| ΔcH°liquid | -3359.7 ± 6.5 | kJ/mol | Ccb | Smutny and Bondi, 1961 | Heat of combustion corrected for pressure; Corresponding ΔfHºliquid = -322.9 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| S°liquid | 265.3 | J/mol*K | N/A | Andon and Martin, 1975 | DH |
Constant pressure heat capacity of liquid
| Cp,liquid (J/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 187.5 | 298.15 | Andon and Martin, 1975 | T = 12 to 350 K.; DH |
| 187.8 | 298.15 | Fenwick, Harrop, et al., 1975, 2 | DH |
| 188. | 298. | Evans and Edlund, 1936 | 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.
Arntz and Gottlieb, 1985
Arntz, H.; Gottlieb, K.,
High-pressure heat-flow calorimeter determination of the enthalpy of reaction for the synthesis of methyl t-butyl ether from methanol and 2-methylpropene,
J. Chem. Thermodyn., 1985, 17, 967-972. [all data]
Fenwick, Harrop, et al., 1975
Fenwick, J.O.; Harrop, D.; Head, A.J.,
Thermodynamic properties of organic oxygen compounds. 41. Enthalpies of formation of eight ethers,
J. Chem. Thermodyn., 1975, 7, 943-954. [all data]
Smutny and Bondi, 1961
Smutny, E.J.; Bondi, A.,
Di-t-butyl ether: Strain energy and physical properties,
J. Phys. Chem., 1961, 65, 546-550. [all data]
Andon and Martin, 1975
Andon, R.J.L.; Martin, J.F.,
Thermodynamic properties of organic oxygen compounds. 40. Heat capacity and entropy of six ethers,
J. Chem. Thermodynam., 1975, 7, 593-606. [all data]
Fenwick, Harrop, et al., 1975, 2
Fenwick, J.O.; Harrop, D.; Head, A.J.,
Thermodynamic properties of organic oxygen compounds. 41. Enthalpies of formation of eight ethers,
J. Chem. Thermodynam., 1975, 7, 944-954. [all data]
Evans and Edlund, 1936
Evans, T.W.; Edlund, K.R.,
Tertiary alkyl ethers preparation and properties,
Ind. Eng. Chem., 1936, 28, 1186-1188. [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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