Methyl propyl ether
- Formula: C4H10O
- Molecular weight: 74.1216
- IUPAC Standard InChIKey: VNKYTQGIUYNRMY-UHFFFAOYSA-N
- CAS Registry Number: 557-17-5
- 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-methoxy-; Ether, methyl propyl; Methyl n-propyl ether; Metopryl; Neothyl; 1-Methoxypropane; n-C3H7OCH3; α-Methoxy propane; UN 2612; Propyl methyl ether
- 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 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.
Phase change data
Go To: Top, Gas phase ion energetics 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 | 311.7 | K | N/A | Weast and Grasselli, 1989 | BS |
Tboil | 312.2 | K | N/A | Majer and Svoboda, 1985 | |
Tboil | 311.8 | K | N/A | Spurr and Zeitlin, 1950 | Uncertainty assigned by TRC = 1. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 133.97 | K | N/A | Wilhoit, Chao, et al., 1985 | Uncertainty assigned by TRC = 0.05 K; TRC |
Ttriple | 133.97 | K | N/A | Andon and Martin, 1975 | Uncertainty assigned by TRC = 0.05 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 476.3 | K | N/A | Majer and Svoboda, 1985 | |
Tc | 476.25 | K | N/A | Ambrose, Broderick, et al., 1974 | Uncertainty assigned by TRC = 0.2 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 37.51 | atm | N/A | Ambrose, Broderick, et al., 1974 | Uncertainty assigned by TRC = 0.04 atm; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 6.63 ± 0.08 | kcal/mol | AVG | N/A | Average of 6 values; Individual data points |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
6.393 | 312.2 | N/A | Majer and Svoboda, 1985 | |
6.50 | 340. | A | Stephenson and Malanowski, 1987 | Based on data from 325. to 407. K.; AC |
6.38 | 416. | A | Stephenson and Malanowski, 1987 | Based on data from 401. to 476. K.; AC |
7.34 | 288. | A | Stephenson and Malanowski, 1987 | Based on data from 273. to 321. K.; AC |
7.10 | 268. | A | Stephenson and Malanowski, 1987 | Based on data from 253. to 328. K. See also Ambrose, Ellender, et al., 1976.; AC |
7.10 | 288. | N/A | Bingham, 1910 | Based on data from 273. to 312. K. See also Boublik, Fried, et al., 1984.; 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 328. | 10.37 | 0.281 | 476.3 | Majer and Svoboda, 1985 |
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 | Comment |
---|---|---|---|---|---|
272.6 to 312.49 | 3.6818 | 903.588 | -66.691 | Bingham, 1910, 2 | Coefficents calculated by NIST from author's data. |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
1.833 | 133.97 | Andon and Martin, 1975, 2 | DH |
1.83 | 134. | Domalski and Hearing, 1996 | AC |
Entropy of fusion
ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
13.68 | 133.97 | Andon and Martin, 1975, 2 | DH |
Gas phase ion energetics 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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
Data compiled as indicated in comments:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Proton affinity (review) | 194.8 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 187.8 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
9.41 ± 0.07 | EI | Bowen and Maccoll, 1984 | LBLHLM |
9.73 | PE | Bachiri, Mouvier, et al., 1980 | Vertical value; LLK |
References
Go To: Top, Phase change data, Gas phase ion energetics data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [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]
Spurr and Zeitlin, 1950
Spurr, R.A.; Zeitlin, H.,
The dipole moments of some aliphatic ethers,
J. Am. Chem. Soc., 1950, 72, 4832. [all data]
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]
Andon and Martin, 1975
Andon, R.J.L.; Martin, J.F.,
Thermodynamic Properties of Organic Oxygen Compounds 40. Heat Capacity and Entropy of Six Ethers,
J. Chem. Thermodyn., 1975, 7, 593. [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]
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]
Bingham, 1910
Bingham, E.C.,
Am. Chem. J., 1910, 43, 287. [all data]
Boublik, Fried, et al., 1984
Boublik, T.; Fried, V.; Hala, E.,
The Vapour Pressures of Pure Substances: Selected Values of the Temperature Dependence of the Vapour Pressures of Some Pure Substances in the Normal and Low Pressure Region, 2nd ed., Elsevier, New York, 1984, 972. [all data]
Bingham, 1910, 2
Bingham, E.C.,
Viscosity and Fluidity,
Am. Chem. J., 1910, 43, 287-309. [all data]
Andon and Martin, 1975, 2
Andon, R.J.L.; Martin, J.F.,
Thermodynamic properties of organic oxygen compounds. 40. Heat capacity and entropy of six ethers,
J. Chem. Thermodynam., 1975, 7, 593-606. [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]
Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G.,
Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update,
J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018
. [all data]
Bowen and Maccoll, 1984
Bowen, R.D.; Maccoll, A.,
Low energy, low temperature mass spectra,
Org. Mass Spectrom., 1984, 19, 379. [all data]
Bachiri, Mouvier, et al., 1980
Bachiri, M.; Mouvier, G.; Carlier, P.; Dubois, J.E.,
Evaluation quantitative des effets de substituants sur les premiers potentiels d'ionisation de composes monofonctionnels aliphatiques,
J. Chim. Phys., 1980, 77, 899. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
Pc Critical pressure Tboil Boiling point Tc Critical temperature Ttriple Triple point temperature ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - 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.