Ethane, methoxy-
- Formula: C3H8O
- Molecular weight: 60.0950
- IUPAC Standard InChI: InChI=1S/C3H8O/c1-3-4-2/h3H2,1-2H3
- IUPAC Standard InChIKey: XOBKSJJDNFUZPF-UHFFFAOYSA-N
- CAS Registry Number: 540-67-0
- 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: Ether, ethyl methyl; Ethyl methyl ether; Methane, ethoxy-; Methyl ethyl ether; Methoxyethane; C2H5OCH3; UN 1039
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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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | -51.73 ± 0.16 | kcal/mol | Cm | Pilcher, Pell, et al., 1964 | ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°gas | -503.68 ± 0.15 | kcal/mol | Cm | Pilcher, Pell, et al., 1964 | Corresponding ΔfHºgas = -51.73 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS |
Constant pressure heat capacity of gas
| Cp,gas (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 12.23 | 100. | Chao J., 1986 | p=1 bar.; GT |
| 15.16 | 150. | ||
| 17.67 | 200. | ||
| 21.10 | 273.15 | ||
| 22.30 ± 0.026 | 298.15 | ||
| 22.39 | 300. | ||
| 27.218 | 400. | ||
| 31.707 | 500. | ||
| 35.626 | 600. | ||
| 39.015 | 700. | ||
| 41.955 | 800. | ||
| 44.515 | 900. | ||
| 46.745 | 1000. | ||
| 48.688 | 1100. | ||
| 50.375 | 1200. | ||
| 51.845 | 1300. | ||
| 53.124 | 1400. | ||
| 54.240 | 1500. |
Gas Chromatography
Go To: Top, Gas phase thermochemistry data, References, Notes
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
Normal alkane RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | OV-101 | 421. | Zenkevich, Eliseenkov, et al., 2011 | 25. m/0.20 mm/0.25 μm, Nitrogen, 6. K/min; Tstart: 40. C; Tend: 220. C |
| Capillary | OV-101 | 421. | Zenkevich, 2005 | 25. m/0.20 mm/0.10 μm, N2/He, 6. K/min; Tstart: 50. C; Tend: 250. C |
Normal alkane RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | Methyl Silicone | 419. | Zenkevich, 1995 | Program: not specified |
References
Go To: Top, Gas phase thermochemistry data, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Pilcher, Pell, et al., 1964
Pilcher, G.; Pell, A.S.; Coleman, D.J.,
Measurements of heats of combustion by flame calorimetry. Part 2-Dimethyl ether, methyl ethyl ether, methyl n-propyl ether, methyl isopropyl ether,
Trans. Faraday Soc., 1964, 60, 499-505. [all data]
Chao J., 1986
Chao J.,
Thermodynamic properties of key organic oxygen compounds in the carbon range C1 to C4. Part 2. Ideal gas properties,
J. Phys. Chem. Ref. Data, 1986, 15, 1369-1436. [all data]
Zenkevich, Eliseenkov, et al., 2011
Zenkevich, I.G.; Eliseenkov, E.V.; Kasatochkin, A.N.; Ukolov, A.I.,
Identification of the products of nonregioselective organic reactions by chromatography - mass spectrometry: chloro derivatives of dialkyl ethers,
Rus. J. Anal. Chem., 2011, 66, 14, 1445-1454, https://doi.org/10.1134/S1061934811140218
. [all data]
Zenkevich, 2005
Zenkevich, I.G.,
Experimentally measured retention indices., 2005. [all data]
Zenkevich, 1995
Zenkevich, I.G.,
Calculation of Gas-Chromatographic Retention Indices from Physico-Chemical Constants of Organic Compounds,
Z. Anal. Chem., 1995, 50, 10, 1048-1056. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Gas Chromatography, References
- Symbols used in this document:
Cp,gas Constant pressure heat capacity of gas ΔcH°gas Enthalpy of combustion of gas at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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