Ethanol, 2-propoxy-
- Formula: C5H12O2
- Molecular weight: 104.1476
- IUPAC Standard InChI: InChI=1S/C5H12O2/c1-2-4-7-5-3-6/h6H,2-5H2,1H3
- IUPAC Standard InChIKey: YEYKMVJDLWJFOA-UHFFFAOYSA-N
- CAS Registry Number: 2807-30-9
- 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: Ethylene glycol monopropyl ether; Ethylene glycol propyl ether; Ethyleneglycol mono-n-propyl ether; Propyl cellosolve; Propyl glycol; 2-Propoxyethanol; 2-Propyloxyethanol; Ektasolve EP; Monopropyl ether of ethylene glycol; 3-Oxa-1-hexanol; Eastman EP; Propoxyethanol
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Condensed phase thermochemistry data
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Eugene S. Domalski and Elizabeth D. Hearing
Constant pressure heat capacity of liquid
| Cp,liquid (J/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 241.78 | 298.15 | Svoboda, Zabransky, et al., 1991 | T = 298 to 330 K. C;(liq) = 118.555 + 0.4133(T/K) J/mol*K. Cp value calculated from equation. |
| 244.3 | 298.15 | Roux, Perron, et al., 1978 | |
| 241.6 | 298.15 | Kusano, Suurkuusk, et al., 1973 |
Phase change data
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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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
BS - Robert L. Brown and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tboil | 422.9 | K | N/A | Majer and Svoboda, 1985 | |
| Tboil | 424.50 | K | N/A | Lecat, 1947 | Uncertainty assigned by TRC = 0.6 K; TRC |
| Quantity | Value | Units | Method | Reference | Comment |
| Tc | 615.2 | K | N/A | Teja and Rosenthal, 1991 | Uncertainty assigned by TRC = 1. K; TRC |
| Tc | 614.6 | K | N/A | Teja and Anselme, 1990 | Uncertainty assigned by TRC = 0.5 K; TRC |
| Quantity | Value | Units | Method | Reference | Comment |
| Pc | 36.50 | bar | N/A | Teja and Rosenthal, 1991 | Uncertainty assigned by TRC = 0.20 bar; TRC |
| Quantity | Value | Units | Method | Reference | Comment |
| ρc | 2.75 | mol/l | N/A | Teja and Anselme, 1990 | Uncertainty assigned by TRC = 0.06 mol/l; TRC |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔvapH° | 52.13 | kJ/mol | N/A | Majer and Svoboda, 1985 | |
| ΔvapH° | 52.1 ± 0.1 | kJ/mol | C | Kusano, Wadsö, et al., 1971 | AC |
Reduced pressure boiling point
| Tboil (K) | Pressure (bar) | Reference | Comment |
|---|---|---|---|
| 423.2 | 0.991 | Weast and Grasselli, 1989 | BS |
Enthalpy of vaporization
| ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 46.3 | 365. | A | Stephenson and Malanowski, 1987 | Based on data from 350. to 422. K. See also Dykyj, Seprakova, et al., 1957 and Dykyj, 1972.; AC |
| 41.4 | 422.9 | N/A | Majer and Svoboda, 1985 |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (bar)
T = temperature (K)
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| Temperature (K) | A | B | C | Reference | Comment |
|---|---|---|---|---|---|
| 350.3 to 421.9 | 4.37505 | 1504.961 | -78.744 | Dykyj, Seprakova, et al., 1957, 2 | Coefficents calculated by NIST from author's data. |
Mass spectrum (electron ionization)
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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
View image of digitized spectrum (can be printed in landscape orientation).
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-IW-8022 |
| NIST MS number | 245191 |
Gas Chromatography
Go To: Top, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), NIST Free Links, NIST Subscription Links, 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
Kovats' RI, non-polar column, isothermal
| Column type | Active phase | Temperature (C) | I | Reference | Comment |
|---|---|---|---|---|---|
| Packed | Apiezon L | 170. | 819. | Singliar and Dykyj, 1969 |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | Petrocol DH | 800.7 | Censullo, Jones, et al., 2003 | 50. m/0.25 mm/0.5 μm, He, 35. C @ 10. min, 3. K/min, 200. C @ 10. min |
| Capillary | Petrocol DH | 802.0 | Censullo, Jones, et al., 2003 | 50. m/0.25 mm/0.5 μm, He, 35. C @ 10. min, 3. K/min, 200. C @ 10. min |
Van Den Dool and Kratz RI, polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | Carbowax | 1325.9 | Censullo, Jones, et al., 2003 | 60. m/0.25 mm/0.5 μm, He, 50. C @ 10. min, 5. K/min, 250. C @ 10. min |
Normal alkane RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | OV-101 | 809. | Zenkevich, 2005 | 25. m/0.20 mm/0.10 μm, N2/He, 6. K/min; Tstart: 50. C; Tend: 250. C |
| Capillary | BP-1 | 790. | Health Safety Executive, 2000 | 50. m/0.22 mm/0.75 μm, He, 5. K/min; Tstart: 50. C; Tend: 200. C |
Normal alkane RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | HP-5 | 816. | Zhao, Li, et al., 2008 | 30. m/0.25 mm/0.25 μm; Program: 40 0C (2 min) 5 0C/min -> 80 0C 7 oC/min -> 160 0C 9 0C/min -> 200 0C 20 0C/min -> 280 0C (10 min) |
| Capillary | HP-5 | 802. | Zhao, Li, et al., 2008 | 30. m/0.25 mm/0.25 μm; Program: not specified |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), Gas Chromatography, NIST Free Links, NIST Subscription Links, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Svoboda, Zabransky, et al., 1991
Svoboda, V.; Zabransky, M.; Barta, M.,
Molar heat capacities of 2-methoxyethanol, 2-ethoxyethanol, and 2-propoxyethanol in the temperature range from 298K to 330K,
J. Chem. Thermodynam., 1991, 23, 711-712. [all data]
Roux, Perron, et al., 1978
Roux, G.; Perron, G.; Desnoyers, J.E.,
Model systems for hydrophobic interactions: volumes and heat capacities of n-alkoxyethanols in water,
J. Solution Chem., 1978, 7, 639-654. [all data]
Kusano, Suurkuusk, et al., 1973
Kusano, K.; Suurkuusk, J.; Wads, I.,
Thermochemistry of solutions of biochemical model compounds. 2. Alkoxyethanols and 1,2-dialkoxyethanes in water, J. Chem. Thermodynam. 5,757-767 (1973).73LEB/TSV Lebedev, B.V., Tsvetkova, L.Ya., and Rabinovich, I.B., Specific heat and thermodynamic functions of poly(vinyltrimethylsilane),
Tr. Khim. Khim. Tekhnol., 1973, (1), 17-18. [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]
Lecat, 1947
Lecat, M.,
Orthobaric Azeotropes of Sulfides,
Bull. Cl. Sci., Acad. R. Belg., 1947, 33, 160-82. [all data]
Teja and Rosenthal, 1991
Teja, A.S.; Rosenthal, D.J.,
The critical pressures and temperatures of ten substances using a low residence time flow apparatus
in Experimental Results for Phase Equilibria and Pure Component Properties, DIPPR DATA Series No. 1, 1991. [all data]
Teja and Anselme, 1990
Teja, A.S.; Anselme, M.J.,
The critical properties of thermally stable and unstable fluids. I. 1985 results,
AIChE Symp. Ser., 1990, 86, 279, 115-21. [all data]
Kusano, Wadsö, et al., 1971
Kusano, Kazuhito; Wadsö, Ingemar; Rømming, Chr.; Lindberg, Alf A.; Lagerlund, Inger; Ehrenberg, L.,
Enthalpies of Vaporization of Organic Compounds. VIII. Alkoxyethanols.,
Acta Chem. Scand., 1971, 25, 219-224, https://doi.org/10.3891/acta.chem.scand.25-0219
. [all data]
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]
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]
Dykyj, Seprakova, et al., 1957
Dykyj, J.; Seprakova, M.; Paulech, J.,
Chem. Zvesti, 1957, 11, 461. [all data]
Dykyj, 1972
Dykyj, J.,
Petrochemia, 1972, 12, 1, 13. [all data]
Dykyj, Seprakova, et al., 1957, 2
Dykyj, J.; Seprakova, M.; Maulech, J.,
Physikalische Eigenschaften des Athylenglykols und Seiner Derivate (II) Dampftensionen von Alkoxyathanolen und Aneren Drivaten des Athylenglykols,
Chem. Zvesti, 1957, 11, 461-466. [all data]
Singliar and Dykyj, 1969
Singliar, M.; Dykyj, J.,
Gas chromatography of glycol ethers,
Collect. Czech. Chem. Commun., 1969, 34, 3, 767-775, https://doi.org/10.1135/cccc19690767
. [all data]
Censullo, Jones, et al., 2003
Censullo, A.C.; Jones, D.R.; Wills, M.T.,
Speciation of the volatile organic compounds (VOCs) in solventborne aerosol coatings by solid phase microextraction-gas chromatography,
J. Coat. Technol., 2003, 75, 936, 47-53, https://doi.org/10.1007/BF02697922
. [all data]
Zenkevich, 2005
Zenkevich, I.G.,
Experimentally measured retention indices., 2005. [all data]
Health Safety Executive, 2000
Health Safety Executive,
MDHS 96 Volatile organic compounds in air - Laboratory method using pumed solid sorbent tubes, solvent desorption and gas chromatography
in Methods for the Determination of Hazardous Substances (MDHS) guidance, Crown, Colegate, Norwich, 2000, 1-24, retrieved from http://www.hse.gov.uk/pubns/mdhs/pdfs/mdhs96.pdf. [all data]
Zhao, Li, et al., 2008
Zhao, Y.; Li, J.; Xu, Y.; Duan, H.; Fan, W.; Zhao, G.,
EXtraction, preparation and identification of volatile compounds in Changyu XO brandy,
Chinese J. Chromatogr., 2008, 26, 2, 212-222, https://doi.org/10.1016/S1872-2059(08)60014-0
. [all data]
Notes
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- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid Pc Critical pressure Tboil Boiling point Tc Critical temperature ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions ρc Critical density - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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