Propane, 1-(1,1-dimethylethoxy)-2-methyl-
- Formula: C8H18O
- Molecular weight: 130.2279
- IUPAC Standard InChIKey: UPOMCDPCTBJJDA-UHFFFAOYSA-N
- CAS Registry Number: 33021-02-2
- 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: tert-Butyl Isobutyl ether; 1-tert-Butoxy-2-methylpropane; Isobutyl tert-butyl ether; 1-(1,1-dimethylethoxy)-2-methylpropane
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Gas phase thermochemistry data
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -88.00 ± 0.48 | kcal/mol | Ccb | Verevkin, Beckhaus, et al., 1996 | |
ΔfH°gas | -88.19 ± 0.38 | kcal/mol | Ccb | Sharonov, Mishentseva, et al., 1991 |
Condensed phase thermochemistry data
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°liquid | -97.78 ± 0.48 | kcal/mol | Ccb | Verevkin, Beckhaus, et al., 1996 | |
ΔfH°liquid | -97.78 ± 0.38 | kcal/mol | Ccb | Sharonov, Mishentseva, et al., 1991 | |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -1269.5 ± 0.48 | kcal/mol | Ccb | Verevkin, Beckhaus, et al., 1996 | Corresponding ΔfHºliquid = -97.78 kcal/mol (simple calculation by NIST; no Washburn corrections) |
ΔcH°liquid | -1269.5 ± 0.29 | kcal/mol | Ccb | Sharonov, Mishentseva, et al., 1991 | Corresponding ΔfHºliquid = -97.78 kcal/mol (simple calculation by NIST; no Washburn corrections) |
Phase change data
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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:
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 385.2 | K | N/A | Majer and Svoboda, 1985 | |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 9.6 ± 0.4 | kcal/mol | AVG | N/A | Average of 8 values; Individual data points |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
7.913 | 385.2 | Majer and Svoboda, 1985 |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
2.07 | 162.3 | Druzhinina, Dorofeeva, et al., 2006 | AC |
Reaction thermochemistry data
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
By formula: C4H8 + C4H10O = C8H18O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -8.68 ± 0.43 | kcal/mol | Eqk | Sharonov, Mishentseva, et al., 1991, 2 | liquid phase |
Mass spectrum (electron ionization)
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
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Due to licensing restrictions, this spectrum cannot be downloaded.
Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
NIST MS number | 2841 |
Gas Chromatography
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Kovats' RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | Methyl Silicone | 100. | 750.2 | Boneva and Toromanova-Petrova, 1994 | Column length: 50. m; Column diameter: 0.25 mm |
Capillary | Methyl Silicone | 90. | 748.8 | Boneva and Toromanova-Petrova, 1994 | Column length: 50. m; Column diameter: 0.25 mm |
Normal alkane RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | DB-5 | 60. | 763. | Verevkin, Krasnykh, et al., 2003 | 60. m/0.32 mm/0.25 μm, Nitrogen |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Mass spectrum (electron ionization), Gas Chromatography, NIST Subscription Links, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Verevkin, Beckhaus, et al., 1996
Verevkin, S.P.; Beckhaus, H.-D.; Belen'kaja, R.S.; Rakus, K.; Ruchardt, C.,
Geminal substituent effects Part 9. Standard enthalpies of formation and strain free increments of branched esters and ethers,
Thermochim. Acta, 1996, 279, 47-64. [all data]
Sharonov, Mishentseva, et al., 1991
Sharonov, K.G.; Mishentseva, Y.B.; Rozhnov, A.M.; Miroshnichenko, E.A.; Korchatova, L.I.,
Molar enthalpies of formation and vaporization of t-butoxybutanes and thermodynamics of their synthesis from a butanol and 2-methylpropene 2. Enthalpies of combustion and vaporization of t-butoxybutanes,
J. Chem. Thermodyn., 1991, 23, 637-642. [all data]
Majer and Svoboda, 1985
Majer, V.; Svoboda, V.,
Enthalpies of Vaporization of Organic Compounds: A Critical Review and Data Compilation, Blackwell Scientific Publications, Oxford, 1985, 300. [all data]
Druzhinina, Dorofeeva, et al., 2006
Druzhinina, A.I.; Dorofeeva, O.V.; Varushchenko, R.M.; Krasnykh, E.L.,
The low-temperature heat capacity and ideal gas thermodynamic properties of isobutyl tert-butyl ether,
The Journal of Chemical Thermodynamics, 2006, 38, 1, 10-19, https://doi.org/10.1016/j.jct.2005.02.003
. [all data]
Sharonov, Mishentseva, et al., 1991, 2
Sharonov, K.G.; Mishentseva, Y.B.; Rozhnov, A.M.; Miroshnichenko, E.A.; Korchatova, L.I.,
Molar enthalpies of formation and vaporizqation of t-butoxybutanes and thermodynamics of their synthesis from a butanol and 2-methylpropene I. Equilibria of synthesis reactions of t-butoxybutanes in the liquid phase,
J. Chem. Thermodyn., 1991, 23, 141-145. [all data]
Boneva and Toromanova-Petrova, 1994
Boneva, S.; Toromanova-Petrova, P.,
Capillary gas chromatography of C1-C4 alkyl tert-butyl ethers,
Chromatographia, 1994, 39, 3/4, 224-227, https://doi.org/10.1007/BF02274504
. [all data]
Verevkin, Krasnykh, et al., 2003
Verevkin, Sergey P.; Krasnykh, Eugen L.; Vasiltsova, Tatiana V.; Heintz, Andreas,
Determination of Ambient Temperature Vapor Pressures and Vaporization Enthalpies of Branched Ethers,
J. Chem. Eng. Data, 2003, 48, 3, 591-599, https://doi.org/10.1021/je0255980
. [all data]
Notes
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- Symbols used in this document:
Tboil Boiling point ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔfusH Enthalpy of fusion ΔrH° Enthalpy of reaction at standard conditions ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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