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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Phase change data
Go To: Top, IR Spectrum, Mass spectrum (electron ionization), 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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 307.7 ± 0.4 | K | AVG | N/A | Average of 20 out of 21 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 154. ± 7. | K | AVG | N/A | Average of 13 out of 14 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 156.92 | K | N/A | Wilhoit, Chao, et al., 1985 | Uncertainty assigned by TRC = 0.05 K; TRC |
Ttriple | 149.86 | K | N/A | Counsell, Lee, et al., 1971 | Crystal phase 2 phase; Uncertainty assigned by TRC = 0.02 K; TRC |
Ttriple | 156.92 | K | N/A | Counsell, Lee, et al., 1971 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.02 K; TRC |
Ttriple | 156.8 | K | N/A | Parks and Huffman, 1926 | Uncertainty assigned by TRC = 0.2 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 467. ± 2. | K | AVG | N/A | Average of 29 out of 30 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 36.0 ± 0.9 | atm | AVG | N/A | Average of 16 out of 17 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Vc | 0.274 | l/mol | N/A | Kobe, Ravicz, et al., 1956 | Uncertainty assigned by TRC = 0.005 l/mol; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ρc | 3.5 ± 0.4 | mol/l | AVG | N/A | Average of 10 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 6.5 ± 0.1 | kcal/mol | AVG | N/A | Average of 6 values; Individual data points |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
6.338 | 307.6 | N/A | Majer and Svoboda, 1985 | |
6.5798 | 285.0 | N/A | Keyes and Beattie, 1924 | P = 101.325 kPa; DH |
6.72 | 301. | A | Stephenson and Malanowski, 1987 | Based on data from 286. to 329. K.; AC |
6.43 | 322. | A | Stephenson and Malanowski, 1987 | Based on data from 307. to 457. K.; AC |
6.57 | 320. | A | Stephenson and Malanowski, 1987 | Based on data from 305. to 360. K.; AC |
6.38 | 432. | A | Stephenson and Malanowski, 1987 | Based on data from 417. to 467. K.; AC |
7.05 | 265. | A | Stephenson and Malanowski, 1987 | Based on data from 250. to 329. K. See also Ambrose, Sprake, et al., 1972 and Ambrose, Ellender, et al., 1976.; AC |
6.512 ± 0.001 | 295.63 | V | Counsell, Lee, et al., 1971, 2 | ALS |
6.79 | 278. | N/A | Taylor and Smith, 1922 | Based on data from 213. to 293. K.; AC |
Enthalpy of vaporization
ΔvapH =
A exp(-βTr) (1 − Tr)β
ΔvapH =
Enthalpy of vaporization (at saturation pressure)
(kcal/mol)
Tr = reduced temperature (T / Tc)
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Temperature (K) | A (kcal/mol) | β | Tc (K) | Reference | Comment |
---|---|---|---|---|---|
281. to 313. | 10.28 | 0.2786 | 466.7 | Majer and Svoboda, 1985 |
Entropy of vaporization
ΔvapS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
23.09 | 285.0 | Keyes and Beattie, 1924 | P; DH |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (atm)
T = temperature (K)
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Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
250.04 to 328.57 | 4.0163 | 1062.64 | -44.93 | Ambrose, Sprake, et al., 1972 | Coefficents calculated by NIST from author's data. |
350.14 to 466.73 | 4.46417 | 1354.913 | -5.537 | Ambrose, Sprake, et al., 1972 | Coefficents calculated by NIST from author's data. |
212.4 to 293.02 | 4.12806 | 1102.878 | -40.46 | Taylor and Smith, 1922 | Coefficents calculated by NIST from author's data. |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
1.72 | 156.9 | Counsell, Lee, et al., 1971, 2 | AC |
1.745 | 156.8 | Parks and Huffman, 1926, 2 | DH |
Entropy of fusion
ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
11.1 | 156.8 | Parks and Huffman, 1926, 2 | DH |
Enthalpy of phase transition
ΔHtrs (kcal/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
1.630 | 149.86 | crystaline, II | liquid | Counsell, Lee, et al., 1971, 3 | DH |
1.718 | 156.92 | crystaline, I | liquid | Counsell, Lee, et al., 1971, 3 | Metastable crystal.; DH |
Entropy of phase transition
ΔStrs (cal/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
10.9 | 149.86 | crystaline, II | liquid | Counsell, Lee, et al., 1971, 3 | DH |
10.95 | 156.92 | crystaline, I | liquid | Counsell, Lee, et al., 1971, 3 | Metastable; DH |
IR Spectrum
Go To: Top, Phase change data, Mass spectrum (electron ionization), References, Notes
Data compiled by: Coblentz Society, Inc.
- GAS (50 mmHg, N2 ADDED, TOTAL PRESSURE 600 mmHg); DOW KBr FOREPRISM-GRATING; DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS); 2 cm-1 resolution
- SOLUTION (10% IN CCl4 FOR 3800-1300, 10% IN CS2 FOR 1300-620, 10% IN CCl4 FOR 620-250 CM-1) VERSUS SOLVENT; PERKIN-ELMER 521 (GRATING); DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS); 4 cm-1 resolution
- SOLUTION (10% IN CCl4 FOR 4000-1330 CM-1, 10% IN CS2 FOR 1330-600 CM-1); BECKMAN IR-7 (GRATING); DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS); 4 cm-1 resolution
Mass spectrum (electron ionization)
Go To: Top, Phase change data, IR Spectrum, 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
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. |
---|---|
Origin | Japan AIST/NIMC Database- Spectrum MS-NW- 71 |
NIST MS number | 229016 |
References
Go To: Top, Phase change data, IR Spectrum, Mass spectrum (electron ionization), Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Wilhoit, Chao, et al., 1985
Wilhoit, R.C.; Chao, J.; Hall, K.R.,
Thermodynamic Properties of Key Organic Compounds in the Carbon Range C1 to C4. Part 1. Properties of Condensed Phases,
J. Phys. Chem. Ref. Data, 1985, 14, 1. [all data]
Counsell, Lee, et al., 1971
Counsell, J.F.; Lee, D.A.; Martin, J.F.,
Thermodynamic properties of organic oxygen compounds: xxvi diethyl ether,
J. Chem. Soc. A, 1971, 1971, 313-6. [all data]
Parks and Huffman, 1926
Parks, G.S.; Huffman, H.M.,
Thermal data on organic compounds: IV the heat capacites, entropies, and free energies of normal propyl alcohol, ethyl ether, and dulcitol,
J. Am. Chem. Soc., 1926, 48, 2788-93. [all data]
Kobe, Ravicz, et al., 1956
Kobe, K.A.; Ravicz, A.E.; Vohra, S.P.,
Critical Properties and Vapor Pressures of Some Ethers and Heterocyclic Compounds,
J. Chem. Eng. Data, 1956, 1, 50. [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]
Keyes and Beattie, 1924
Keyes, F.G.; Beattie, J.A.,
A calorimeter for measuring specific heats and heats of vaporization of liquids. The specific heat and heat of vaporization of liquid ethyl ether at 0° and 12°,
J. Am. Chem. Soc., 1924, 46, 1753-1760. [all data]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Ambrose, Sprake, et al., 1972
Ambrose, D.; Sprake, C.H.S.; Townsend, R.,
Thermodynamic properties of organic oxygen compounds XXIX. The vapour pressure of diethyl ether,
The Journal of Chemical Thermodynamics, 1972, 4, 2, 247-254, https://doi.org/10.1016/0021-9614(72)90063-8
. [all data]
Ambrose, Ellender, et al., 1976
Ambrose, D.; Ellender, J.H.; Sprake, C.H.S.; Townsend, R.,
Thermodynamic properties of organic oxygen compounds XLIII. Vapour pressures of some ethers,
The Journal of Chemical Thermodynamics, 1976, 8, 2, 165-178, https://doi.org/10.1016/0021-9614(76)90090-2
. [all data]
Counsell, Lee, et al., 1971, 2
Counsell, J.F.; Lee, D.A.; Martin, J.F.,
Thermodynamic properties of organic oxygen compounds. Part XXVI. Diethyl ether,
J. Chem. Soc. A, 1971, 313. [all data]
Taylor and Smith, 1922
Taylor, Robert S.; Smith, Leighton B.,
THE VAPOR PRESSURES, DENSITIES AND SOME DERIVED QUANTITIES FOR ETHER AT LOW TEMPERATURES,
J. Am. Chem. Soc., 1922, 44, 11, 2450-2463, https://doi.org/10.1021/ja01432a012
. [all data]
Parks and Huffman, 1926, 2
Parks, G.S.; Huffman, H.M.,
Thermal data on organic compounds. IV. The heat capacities, entropies and free energies of normal propyl alcohol, ethyl ether and dulcitol,
J. Am. Chem. Soc., 1926, 48, 2788-2793. [all data]
Counsell, Lee, et al., 1971, 3
Counsell, J.F.; Lee, D.A.; Martin, J.F.,
Thermodynamic properties of organic oxygen compounds. Part XXVI. Diethyl ether, 1971, J. [all data]
Notes
Go To: Top, Phase change data, IR Spectrum, Mass spectrum (electron ionization), References
- Symbols used in this document:
Pc Critical pressure Tboil Boiling point Tc Critical temperature Tfus Fusion (melting) point Ttriple Triple point temperature Vc Critical volume ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions ΔvapS Entropy of vaporization ρc Critical density - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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