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
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- Data at other public NIST sites:
- Options:
Data at NIST subscription sites:
- NIST / TRC Web Thermo Tables, "lite" edition (thermophysical and thermochemical data)
- NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data)
NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.
Gas phase thermochemistry data
Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law 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
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -70.0 ± 0.5 | kcal/mol | Ccb | Colomina, Pell, et al., 1965 | ALS |
ΔfH°gas | -71.4 | kcal/mol | Ccb | Murrin and Goldhagen, 1957 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
S°gas | 101.0 | cal/mol*K | N/A | Andon R.J.L., 1975 | GT |
Constant pressure heat capacity of gas
Cp,gas (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
43.726 | 360.00 | Andon R.J.L., 1975 | GT |
45.595 | 380.01 | ||
47.431 | 399.98 | ||
50.170 | 430.05 | ||
52.832 | 460.01 |
Condensed phase thermochemistry data
Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law 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 | -78.59 ± 0.21 | kcal/mol | Ccb | Colomina, Pell, et al., 1965 | ALS |
ΔfH°liquid | -79.61 ± 0.49 | kcal/mol | Ccb | Murrin and Goldhagen, 1957 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -963.93 ± 0.19 | kcal/mol | Ccb | Colomina, Pell, et al., 1965 | Corresponding ΔfHºliquid = -78.58 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS |
ΔcH°liquid | -962.92 ± 0.49 | kcal/mol | Ccb | Murrin and Goldhagen, 1957 | Corresponding ΔfHºliquid = -79.59 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS |
Quantity | Value | Units | Method | Reference | Comment |
S°liquid | 77.41 | cal/mol*K | N/A | Andon, Counsell, et al., 1975 | DH |
Constant pressure heat capacity of liquid
Cp,liquid (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
52.928 | 298.15 | Kimura, Treszczanowicz, et al., 1983 | DH |
52.96 | 298.15 | Andon, Counsell, et al., 1975 | T = 10 to 330 K.; DH |
Phase change data
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, Henry's Law 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 | 29.88 | atm | N/A | Ambrose, Broderick, et al., 1974 | Uncertainty assigned by TRC = 0.06 atm; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 8.554 | kcal/mol | N/A | Majer and Svoboda, 1985 | |
ΔvapH° | 8.528 | kcal/mol | C | Majer, Wagner, et al., 1980 | ALS |
ΔvapH° | 8.53 ± 0.02 | kcal/mol | C | Majer, Wagner, et al., 1980 | AC |
ΔvapH° | 8.73 ± 0.30 | kcal/mol | V | Colomina, Pell, et al., 1965 | Heat of formation derived by Cox and Pilcher, 1970; ALS |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
7.483 | 363.1 | N/A | Majer and Svoboda, 1985 | |
7.4747 | 363.22 | N/A | Andon, Counsell, et al., 1975 | P = 101.30 kPa; DH |
8.32 | 323. | EB | Antosik, Fras, et al., 2002 | Based on data from 308. to 338. K.; AC |
7.70 | 400. | A | Stephenson and Malanowski, 1987 | Based on data from 385. to 467. K.; AC |
7.74 | 480. | A | Stephenson and Malanowski, 1987 | Based on data from 465. to 530. K.; AC |
8.51 | 307. | A | Stephenson and Malanowski, 1987 | Based on data from 292. to 389. K. See also Ambrose, Ellender, et al., 1976.; AC |
8.27 | 327. | A,EB | Stephenson and Malanowski, 1987 | Based on data from 312. to 371. K. See also Meyer and Hotz, 1973.; AC |
7.50 | 363. | N/A | Ambrose, Ellender, et al., 1976 | AC |
8.39 | 315. | EB | Cidlinský and Polák, 1969 | Based on data from 300. to 362. K.; AC |
8.25 | 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)
(kcal/mol)
Tr = reduced temperature (T / Tc)
View plot Requires a JavaScript / HTML 5 canvas capable browser.
Temperature (K) | A (kcal/mol) | β | Tc (K) | Reference | Comment |
---|---|---|---|---|---|
298. to 363. | 12.77 | 0.2907 | 530.6 | Majer and Svoboda, 1985 |
Entropy of vaporization
ΔvapS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
20.58 | 363.22 | Andon, Counsell, et al., 1975 | P; DH |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (atm)
T = temperature (K)
View plot Requires a JavaScript / HTML 5 canvas capable browser.
Temperature (K) | A | B | C | Reference |
---|---|---|---|---|
312.9 to 371.33 | 4.01400 ± 0.00046 | 1227.47 ± 0.82 | -57.449 ± 0.095 | Meyer and Hotz, 1973 |
299.74 to 361.80 | 4.06380 | 1254.781 | -54.33 | Cidlinský and Polák, 1969 |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
2.574 | 158.4 | Domalski and Hearing, 1996 | AC |
Enthalpy of phase transition
ΔHtrs (kcal/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
2.280 | 149.40 | crystaline, I | liquid | Andon, Counsell, et al., 1975 | DH |
2.5741 | 158.36 | crystaline, II | liquid | Andon, Counsell, et al., 1975 | DH |
Entropy of phase transition
ΔStrs (cal/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
15.26 | 149.40 | crystaline, I | liquid | Andon, Counsell, et al., 1975 | DH |
16.25 | 158.36 | crystaline, II | liquid | Andon, Counsell, et al., 1975 | DH |
Reaction thermochemistry data
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Henry's Law 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: Michael M. Meot-Ner (Mautner) and Sharon G. Lias
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: C6H15O+ + C6H14O = (C6H15O+ • C6H14O)
Bond type: Hydrogen bonds of the type OH-O between organics
Bond type: Hydrogen bonds between protonated and neutral organics
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 30.9 | kcal/mol | PHPMS | Meot-Ner (Mautner), Sieck, et al., 1994 | gas phase; switching reaction(C2H5)COH+((C2H5)2CO |
ΔrH° | 29.9 | kcal/mol | ICR | Larson and McMahon, 1982 | gas phase; switching reaction((CH3)2OH+)(CH3)2O, Entropy change calculated or estimated; Grimsrud and Kebarle, 1973, Lias, Liebman, et al., 1984, Keesee and Castleman, 1986 |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 40.0 | cal/mol*K | PHPMS | Meot-Ner (Mautner), Sieck, et al., 1994 | gas phase; switching reaction(C2H5)COH+((C2H5)2CO |
ΔrS° | 31.9 | cal/mol*K | N/A | Larson and McMahon, 1982 | gas phase; switching reaction((CH3)2OH+)(CH3)2O, Entropy change calculated or estimated; Grimsrud and Kebarle, 1973, Lias, Liebman, et al., 1984, Keesee and Castleman, 1986 |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 20.4 | kcal/mol | ICR | Larson and McMahon, 1982 | gas phase; switching reaction((CH3)2OH+)(CH3)2O, Entropy change calculated or estimated; Grimsrud and Kebarle, 1973, Lias, Liebman, et al., 1984, Keesee and Castleman, 1986 |
By formula: C5H6N+ + C6H14O = (C5H6N+ • C6H14O)
Bond type: Hydrogen bonds of the type NH+-O between organics
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 23.5 | kcal/mol | PHPMS | Meot-Ner, 1984 | gas phase; Entropy change calculated or estimated |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 31. | cal/mol*K | N/A | Meot-Ner, 1984 | gas phase; Entropy change calculated or estimated |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
8.0 | 500. | PHPMS | Meot-Ner, 1984 | gas phase; Entropy change calculated or estimated |
By formula: C6H14N+ + C6H14O = (C6H14N+ • C6H14O)
Bond type: Hydrogen bonds of the type NH+-O between organics
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 25.4 | kcal/mol | PHPMS | Meot-Ner, 1984 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 31.2 | cal/mol*K | PHPMS | Meot-Ner, 1984 | gas phase |
By formula: CH6N+ + C6H14O = (CH6N+ • C6H14O)
Bond type: Hydrogen bonds of the type NH+-O between organics
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 24.0 | kcal/mol | PHPMS | Meot-Ner, 1984 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 26.7 | cal/mol*K | PHPMS | Meot-Ner, 1984 | gas phase |
Henry's Law data
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction 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: Rolf Sander
Henry's Law constant (water solution)
kH(T) = k°H exp(d(ln(kH))/d(1/T) ((1/T) - 1/(298.15 K)))
k°H = Henry's law constant for solubility in water at 298.15 K (mol/(kg*bar))
d(ln(kH))/d(1/T) = Temperature dependence constant (K)
k°H (mol/(kg*bar)) | d(ln(kH))/d(1/T) (K) | Method | Reference | Comment |
---|---|---|---|---|
0.19 | Q | N/A | Several references are given in the list of Henry's law constants but not assigned to specific species. | |
0.45 | Q | N/A | missing citation give several references for the Henry's law constants but don't assign them to specific species. | |
0.29 | V | N/A | ||
0.23 | 8900. | M | N/A | |
0.28 | V | N/A |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law 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 R.J.L., 1975
Andon R.J.L.,
Thermodynamic properties of organic oxygen compounds. 39. Heat capacity of n-propyl ether,
J. Chem. Thermodyn., 1975, 7, 587-592. [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]
Meot-Ner (Mautner), Sieck, et al., 1994
Meot-Ner (Mautner), M.; Sieck, L.W.; Liebman, J.F.; Scheiner, S.; Duan, X.,
The Ionic Hydrogen Bond. 5. Polydentate and Solvent-Bridged Structures. Complexing of the Proton and the Hydronium Ions by Polyethers,
J. Am. Chem. Soc., 1994, 116, 17, 7848, https://doi.org/10.1021/ja00096a047
. [all data]
Larson and McMahon, 1982
Larson, J.W.; McMahon, T.B.,
Formation, Thermochemistry, and Relative Stabilities of Proton - Bound dimers of Oxygen n - Donor Bases from Ion Cyclotron Resonance Solvent - Exchange Equilibria Measurements,
J. Am. Chem. Soc., 1982, 104, 23, 6255, https://doi.org/10.1021/ja00387a016
. [all data]
Grimsrud and Kebarle, 1973
Grimsrud, E.P.; Kebarle, P.,
Gas Phase Ion Equilibria Studies of the Solvation of the Hydrogen Ion by Methanol, Dimethyl Ether and Water. Effect of Hydrogen Bonding,
J. Am. Chem. Soc., 1973, 95, 24, 7939, https://doi.org/10.1021/ja00805a002
. [all data]
Lias, Liebman, et al., 1984
Lias, S.G.; Liebman, J.F.; Levin, R.D.,
Evaluated gas phase basicities and proton affinities of molecules heats of formation of protonated molecules,
J. Phys. Chem. Ref. Data, 1984, 13, 695. [all data]
Keesee and Castleman, 1986
Keesee, R.G.; Castleman, A.W., Jr.,
Thermochemical data on Ggs-phase ion-molecule association and clustering reactions,
J. Phys. Chem. Ref. Data, 1986, 15, 1011. [all data]
Meot-Ner, 1984
Meot-Ner, (Mautner)M.,
The Ionic Hydrogen Bond and Ion Solvation. 1. -NH+ O-, -NH+ N- and -OH+ O- Bonds. Correlations with Proton Affinity. Deviations Due to Structural Effects,
J. Am. Chem. Soc., 1984, 106, 5, 1257, https://doi.org/10.1021/ja00317a015
. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, References
- Symbols used in this document:
Cp,gas Constant pressure heat capacity of gas Cp,liquid Constant pressure heat capacity of liquid Pc Critical pressure S°gas Entropy of gas at standard conditions S°liquid Entropy of liquid at standard conditions T Temperature Tboil Boiling point Tc Critical temperature Tfus Fusion (melting) point Ttriple Triple point temperature d(ln(kH))/d(1/T) Temperature dependence parameter for Henry's Law constant k°H Henry's Law constant at 298.15K ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition 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 ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔrS° Entropy of reaction at standard conditions 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
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.