Ethyl ether
- Formula: C4H10O
- Molecular weight: 74.1216
- IUPAC Standard InChIKey: RTZKZFJDLAIYFH-UHFFFAOYSA-N
- CAS Registry Number: 60-29-7
- 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: Ethane, 1,1'-oxybis-; Anaesthetic ether; Anesthesia ether; Anesthetic ether; Diethyl ether; Diethyl oxide; Ethoxyethane; Pronarcol; Solvent ether; 1,1'-Oxybisethane; (C2H5)2O; Aether; Diaethylaether; Dwuetylowy eter; Etere etilico; Ether ethylique; Ether, ethyl; Ethyl ether, tech.; Ethyl oxide; Oxyde d'ethyle; Rcra waste number U117; UN 1155; 3-Oxapentane; Ether; Ethyl ether anhydrous A.C.S.; Sulfuric ether; NSC 100036
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Gas 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
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -60.40 ± 0.47 | kcal/mol | Ccb | Pihlaja and Heikkil, 1968 | Reanalyzed by Pedley, Naylor, et al., 1986, Original value = -59.82 ± 0.44 kcal/mol; ALS |
ΔfH°gas | -60.28 ± 0.19 | kcal/mol | Cm | Pilcher, Skinner, et al., 1963 | ALS |
ΔfH°gas | -58.4 | kcal/mol | Ccb | Murrin and Goldhagen, 1957 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°gas | -651.60 ± 0.43 | kcal/mol | Ccb | Pihlaja and Heikkil, 1968 | Corresponding ΔfHºgas = -66.18 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS |
ΔcH°gas | -657.52 ± 0.18 | kcal/mol | Cm | Pilcher, Skinner, et al., 1963 | Corresponding ΔfHºgas = -60.26 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS |
Quantity | Value | Units | Method | Reference | Comment |
S°gas | 81.79 | cal/mol*K | N/A | Counsell J.F., 1971 | Other third-law entropy values at 298.15 K are 342.46 [ Cope C.S., 1959], 342.33 [ Stull D.R., 1969], and 342.60 J/mol*K [ Chao J., 1986].; GT |
Constant pressure heat capacity of gas
Cp,gas (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
14.94 | 100. | Chao J., 1986 | p=1 bar.; GT |
20.27 | 150. | ||
23.83 | 200. | ||
27.318 | 273.15 | ||
28.552 ± 0.036 | 298.15 | ||
28.647 | 300. | ||
34.132 | 400. | ||
39.620 | 500. | ||
44.539 | 600. | ||
48.841 | 700. | ||
52.591 | 800. | ||
55.865 | 900. | ||
58.719 | 1000. | ||
61.205 | 1100. | ||
63.365 | 1200. | ||
65.241 | 1300. | ||
66.876 | 1400. | ||
68.298 | 1500. |
Constant pressure heat capacity of gas
Cp,gas (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
29.144 | 309.98 | Counsell J.F., 1971 | Other experimental values of heat capacity [ Jennings W.H., 1934, Jatkar S.K.K., 1939, Valentin F.H.H., 1950] are believed to be less reliable (see [ Chao J., 1986]).; GT |
30.251 | 329.99 | ||
31.386 | 350.00 | ||
32.794 | 375.00 | ||
34.242 | 400.01 | ||
35.636 | 424.99 | ||
37.072 | 450.04 |
References
Go To: Top, Gas phase thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Pihlaja and Heikkil, 1968
Pihlaja, K.; Heikkil, J.,
Heats of combustion. Diethyl ether and 1,1-diethoxyethane,
Acta Chem. Scand., 1968, 22, 2731-2732. [all data]
Pedley, Naylor, et al., 1986
Pedley, J.B.; Naylor, R.D.; Kirby, S.P.,
Thermochemical Data of Organic Compounds, Chapman and Hall, New York, 1986, 1-792. [all data]
Pilcher, Skinner, et al., 1963
Pilcher, G.; Skinner, H.A.; Pell, A.S.; Pope, A.E.,
Measurements of heats of combustion by flame calorimetry. Part 1.-Diethyl ether, ethyl vinyl ether and divinyl ether,
Trans. Faraday Soc., 1963, 59, 316-330. [all data]
Murrin and Goldhagen, 1957
Murrin, J.W.; Goldhagen, S.,
Determination of the C-O bond energy from the heats of combustion of four aliphatic ethers,
NAVORD Report No. 5491, U.S. Naval Powder Factory Res. & Dev. Dept., 1957, 1-14. [all data]
Counsell J.F., 1971
Counsell J.F.,
Thermodynamic properties of organic oxygen compounds. Part XXVI. Diethyl ether,
J. Chem. Soc. A, 1971, 313-316. [all data]
Cope C.S., 1959
Cope C.S.,
Equilibria in the hydration of ethylene at elevated pressures and temperatures,
A. I. Ch. E. Journal, 1959, 5, 10-16. [all data]
Stull D.R., 1969
Stull D.R., Jr.,
The Chemical Thermodynamics of Organic Compounds. Wiley, New York, 1969. [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]
Jennings W.H., 1934
Jennings W.H.,
Specific heat of furan and ethyl ether vapors,
J. Phys. Chem., 1934, 38, 747-751. [all data]
Jatkar S.K.K., 1939
Jatkar S.K.K.,
Supersonic velocity in gases and vapors. V. Heat capacity of vapors of acetone, benzene, cyclohexane, hexane and methyl, ethyl and propyl ethers,
J. Indian Inst. Sci., 1939, A22, 19-37. [all data]
Valentin F.H.H., 1950
Valentin F.H.H.,
Equilibrium and thermodynamic relation in the vapor-phase catalytic dehydration of ethyl alcohol to ethyl ether,
J. Chem. Soc., 1950, 498-500. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, References
- Symbols used in this document:
Cp,gas Constant pressure heat capacity of gas S°gas Entropy of gas at standard conditions 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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