Di-n-propyl ether
- Formula: C6H14O
- Molecular weight: 102.1748
- IUPAC Standard InChIKey: POLCUAVZOMRGSN-UHFFFAOYSA-N
- CAS Registry Number: 111-43-3
- 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: Propane, 1,1'-oxybis-; Propyl ether; Dipropyl ether; Dipropyl oxide; 1,1'-Oxybis[propane]; (n-C3H7)2O; n-Propyl ether; Ether, di-n-propyl-; UN 2384; 4-Oxaheptane
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Condensed phase thermochemistry data
Go To: Top, Phase change 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 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 | -328.8 ± 0.88 | kJ/mol | Ccb | Colomina, Pell, et al., 1965 | ALS |
ΔfH°liquid | -333.1 ± 2.1 | kJ/mol | Ccb | Murrin and Goldhagen, 1957 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -4033.1 ± 0.79 | kJ/mol | Ccb | Colomina, Pell, et al., 1965 | Corresponding ΔfHºliquid = -328.8 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
ΔcH°liquid | -4028.9 ± 2.1 | kJ/mol | Ccb | Murrin and Goldhagen, 1957 | Corresponding ΔfHºliquid = -333.0 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
Quantity | Value | Units | Method | Reference | Comment |
S°liquid | 323.9 | J/mol*K | N/A | Andon, Counsell, et al., 1975 | DH |
Constant pressure heat capacity of liquid
Cp,liquid (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
221.45 | 298.15 | Kimura, Treszczanowicz, et al., 1983 | DH |
221.6 | 298.15 | Andon, Counsell, et al., 1975 | T = 10 to 330 K.; DH |
Phase change data
Go To: Top, Condensed 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 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 | 363. ± 1. | K | AVG | N/A | Average of 7 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 149.95 | K | N/A | Timmermans, 1952 | Uncertainty assigned by TRC = 0.4 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 149.4 | K | N/A | Andon, Counsell, et al., 1975, 2 | Metastable crystal phase; Uncertainty assigned by TRC = 0.1 K; TRC |
Ttriple | 158.36 | K | N/A | Andon, Counsell, et al., 1975, 2 | Uncertainty assigned by TRC = 0.06 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 530.6 | K | N/A | Majer and Svoboda, 1985 | |
Tc | 530.60 | K | N/A | Ambrose, Broderick, et al., 1974 | Uncertainty assigned by TRC = 0.3 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 30.28 | bar | N/A | Ambrose, Broderick, et al., 1974 | Uncertainty assigned by TRC = 0.06 bar; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 35.79 | kJ/mol | N/A | Majer and Svoboda, 1985 | |
ΔvapH° | 35.68 | kJ/mol | C | Majer, Wagner, et al., 1980 | ALS |
ΔvapH° | 35.7 ± 0.1 | kJ/mol | C | Majer, Wagner, et al., 1980 | AC |
ΔvapH° | 36.5 ± 1.3 | kJ/mol | V | Colomina, Pell, et al., 1965 | Heat of formation derived by Cox and Pilcher, 1970; ALS |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
31.31 | 363.1 | N/A | Majer and Svoboda, 1985 | |
31.274 | 363.22 | N/A | Andon, Counsell, et al., 1975 | P = 101.30 kPa; DH |
34.8 | 323. | EB | Antosik, Fras, et al., 2002 | Based on data from 308. to 338. K.; AC |
32.2 | 400. | A | Stephenson and Malanowski, 1987 | Based on data from 385. to 467. K.; AC |
32.4 | 480. | A | Stephenson and Malanowski, 1987 | Based on data from 465. to 530. K.; AC |
35.6 | 307. | A | Stephenson and Malanowski, 1987 | Based on data from 292. to 389. K. See also Ambrose, Ellender, et al., 1976.; AC |
34.6 | 327. | A,EB | Stephenson and Malanowski, 1987 | Based on data from 312. to 371. K. See also Meyer and Hotz, 1973.; AC |
31.4 | 363. | N/A | Ambrose, Ellender, et al., 1976 | AC |
35.1 | 315. | EB | Cidlinský and Polák, 1969 | Based on data from 300. to 362. K.; AC |
34.5 | 360. | N/A | Lapidus and Nisel'son, 1968 | Based on data from 340. to 379. K.; AC |
Enthalpy of vaporization
ΔvapH =
A exp(-βTr) (1 − Tr)β
ΔvapH =
Enthalpy of vaporization (at saturation pressure)
(kJ/mol)
Tr = reduced temperature (T / Tc)
View plot Requires a JavaScript / HTML 5 canvas capable browser.
Temperature (K) | A (kJ/mol) | β | Tc (K) | Reference | Comment |
---|---|---|---|---|---|
298. to 363. | 53.41 | 0.2907 | 530.6 | Majer and Svoboda, 1985 |
Entropy of vaporization
ΔvapS (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
86.10 | 363.22 | Andon, Counsell, et al., 1975 | P; DH |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (bar)
T = temperature (K)
View plot Requires a JavaScript / HTML 5 canvas capable browser.
Temperature (K) | A | B | C | Reference |
---|---|---|---|---|
312.9 to 371.33 | 4.01971 ± 0.00046 | 1227.47 ± 0.82 | -57.449 ± 0.095 | Meyer and Hotz, 1973 |
299.74 to 361.80 | 4.06951 | 1254.781 | -54.33 | Cidlinský and Polák, 1969 |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
10.77 | 158.4 | Domalski and Hearing, 1996 | AC |
Enthalpy of phase transition
ΔHtrs (kJ/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
9.540 | 149.40 | crystaline, I | liquid | Andon, Counsell, et al., 1975 | DH |
10.770 | 158.36 | crystaline, II | liquid | Andon, Counsell, et al., 1975 | DH |
Entropy of phase transition
ΔStrs (J/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
63.86 | 149.40 | crystaline, I | liquid | Andon, Counsell, et al., 1975 | DH |
68.01 | 158.36 | crystaline, II | liquid | Andon, Counsell, et al., 1975 | DH |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Colomina, Pell, et al., 1965
Colomina, M.; Pell, A.S.; Skinner, H.A.; Coleman, D.J.,
Heats of combustion of four dialkylethers,
Trans. Faraday Soc., 1965, 61, 2641. [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]
Andon, Counsell, et al., 1975
Andon, R.J.L.; Counsell, J.F.; Lee, D.A.; Martin, J.F.,
Thermodynamic properties of organic oxygen compounds. 39. Heat capacity of n-propyl ether,
J. Chem. Thermodynam., 1975, 7, 587-592. [all data]
Kimura, Treszczanowicz, et al., 1983
Kimura, F.; Treszczanowicz, A.J.; Halpin, C.J.; Benson, G.C.,
Excess volumes and ultrasonic speeds for (di-n-propylether + n-heptane),
J. Chem. Thermodynam., 1983, 15, 503-510. [all data]
Timmermans, 1952
Timmermans, J.,
Freezing points of organic compounds. VVI New determinations.,
Bull. Soc. Chim. Belg., 1952, 61, 393. [all data]
Andon, Counsell, et al., 1975, 2
Andon, R.J.L.; Counsell, J.F.; Lees, E.B.; Martin, J.F.,
Thermodynamic properties of organic oxygen compounds: 39 heat capacity of n-propyl ether,
J. Chem. Thermodyn., 1975, 7, 587. [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]
Ambrose, Broderick, et al., 1974
Ambrose, D.; Broderick, B.E.; Townsend, R.,
The Critical Temperatures and Pressures of Thirty Organic Compounds,
J. Appl. Chem. Biotechnol., 1974, 24, 359. [all data]
Majer, Wagner, et al., 1980
Majer, V.; Wagner, Z.; Svoboda, V.; Cadek, V.,
Enthalpies of vaporization and cohesive energies for a group of aliphatic ethers,
J. Chem. Thermodyn., 1980, 12, 387-391. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]
Antosik, Fras, et al., 2002
Antosik, Maria; Fras, Zbigniew; Malanowski, Stanislaw K.,
Vapor-Liquid Equilibrium in 2-Ethoxyethanol + Valeraldehyde and + Propyl Ether at 313.15 to 333.15 K,
J. Chem. Eng. Data, 2002, 47, 4, 757-760, https://doi.org/10.1021/je000275u
. [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, 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]
Meyer and Hotz, 1973
Meyer, Edwin F.; Hotz, Roger D.,
High-precision vapor-pressure data for eight organic compounds,
J. Chem. Eng. Data, 1973, 18, 4, 359-362, https://doi.org/10.1021/je60059a008
. [all data]
Cidlinský and Polák, 1969
Cidlinský, J.; Polák, J.,
Saturated vapour pressures of some ethers,
Collect. Czech. Chem. Commun., 1969, 34, 4, 1317-1321, https://doi.org/10.1135/cccc19691317
. [all data]
Lapidus and Nisel'son, 1968
Lapidus, I.I.; Nisel'son, L.A.,
Russ. J. Phys. Chem., 1968, 42, 6, 733. [all data]
Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D.,
Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III,
J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985
. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid Pc Critical pressure S°liquid Entropy of liquid at standard conditions Tboil Boiling point Tc Critical temperature Tfus Fusion (melting) point Ttriple Triple point temperature ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔfusH Enthalpy of fusion ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions ΔvapS Entropy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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