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Propylene Glycol

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Gas phase thermochemistry data

Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, 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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.

Quantity Value Units Method Reference Comment
Deltafgas-102.7 ± 0.98kcal/molCcbKnauth and Sabbah, 1990ALS
Deltafgas-100.7 ± 0.8kcal/molCcbGardner and Hussain, 1972ALS
Deltafgas-104.0kcal/molN/AMoureu and Dode, 1937Value computed using «DELTA»fHliquid° value of -500.3±1.8 kj/mol from Moureu and Dode, 1937 and «DELTA»vapH° value of 65.0 kj/mol from Gardner and Hussain, 1972.; DRB

Condensed phase thermochemistry data

Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, 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:
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
Deltafliquid-119.7 ± 0.98kcal/molCcbKnauth and Sabbah, 1990ALS
Deltafliquid-116.1 ± 0.6kcal/molCcbGardner and Hussain, 1972ALS
Deltafliquid-119.58 ± 0.44kcal/molCcbMoureu and Dode, 1937Reanalyzed by Cox and Pilcher, 1970, Original value = -119.3 kcal/mol; ALS
Quantity Value Units Method Reference Comment
Deltacliquid-435.68 ± 0.98kcal/molCcbKnauth and Sabbah, 1990Corresponding «DELTA»fliquid = -119.7 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS
Deltacliquid-439.31 ± 0.54kcal/molCcbGardner and Hussain, 1972Corresponding «DELTA»fliquid = -116.10 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS
Deltacliquid-435.83 ± 0.44kcal/molCcbMoureu and Dode, 1937Reanalyzed by Cox and Pilcher, 1970, Original value = -435.9 kcal/mol; Corresponding «DELTA»fliquid = -119.58 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS

Constant pressure heat capacity of liquid

Cp,liquid (cal/mol*K) Temperature (K) Reference Comment
45.39298.Zaripov, 1982T = 298, 323, 363 K.; DH
42.30303.Kawaizumi, Otake, et al., 1972DH
43.09276.7Parks and Huffman, 1927T = 91 to 277 K. Value is unsmoothed experimental datum.; DH

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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny, director
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.

Quantity Value Units Method Reference Comment
Tboil460. ± 2.KAVGN/AAverage of 15 values; Individual data points
Quantity Value Units Method Reference Comment
Deltavap16. ± 2.kcal/molAVGN/AAverage of 9 values; Individual data points

Enthalpy of vaporization

DeltavapH (kcal/mol) Temperature (K) Method Reference Comment
15.9413.TGAAl-Najjar and Al-Sammerrai, 2007Based on data from 373. - 408. K.; AC
14.3 ± 0.07380.EBSteele, Chirico, et al., 2002Based on data from 365. - 496. K.; AC
13.4 ± 0.05420.EBSteele, Chirico, et al., 2002Based on data from 365. - 496. K.; AC
12.4 ± 0.07460.EBSteele, Chirico, et al., 2002Based on data from 365. - 496. K.; AC
11.4 ± 0.1500.EBSteele, Chirico, et al., 2002Based on data from 365. - 496. K.; AC
14.0333.AStephenson and Malanowski, 1987Based on data from 318. - 461. K. See also Stull, 1947.; AC
15.4 ± 0.5353.VGardner and Hussain, 1972ALS
13.9378.N/ASchierholtz and Staples, 1935Based on data from 353. - 403. K.; AC
13.431.N/ASchierholtz and Staples, 1935Based on data from 403. - 460. K.; AC

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
318.7 - 461.46.073652692.187-17.94Stull, 1947Coefficents calculated by NIST from author's data.

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


Reaction thermochemistry data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

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

Propylene Glycol + Acetone = 1,3-Dioxolane, 2,2,4-trimethyl- + Water

By formula: C3H8O2 + C3H6O = C6H12O2 + H2O

Quantity Value Units Method Reference Comment
Deltar-0.8kcal/molEqkAnteunis and Rommelaere, 1970liquid phase

Propylene Carbonate + 2Methyl Alcohol = Propylene Glycol + Carbonic acid, dimethyl ester

By formula: C4H6O3 + 2CH4O = C3H8O2 + C3H6O3

Quantity Value Units Method Reference Comment
Deltar-1.66kcal/molKinZhang and Luo, 1991liquid phase

IR Spectrum

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Mass spectrum (electron ionization), References, Notes

Data compiled by: Coblentz Society, Inc.

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director


Mass spectrum (electron ionization)

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry 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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Mass spectrum
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Additional Data

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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 NIST Mass Spectrometry Data Center, 1998.
NIST MS number 291457

All mass spectra in this site (plus many more) are available from the NIST/EPA/NIH Mass Spectral Library. Please see the following for information about the library and its accompanying search program.


References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry 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.

Knauth and Sabbah, 1990
Knauth, P.; Sabbah, R., Energetics of inter- and intramolecular bonds in alkanediols. IV. The thermochemical study of 1,2-alkanediols at 298.15 K, Thermochim. Acta, 1990, 164, 145-152. [all data]

Gardner and Hussain, 1972
Gardner, P.J.; Hussain, K.S., The standard enthalpies of formation of some aliphatic diols, J. Chem. Thermodyn., 1972, 4, 819-827. [all data]

Moureu and Dode, 1937
Moureu, H.; Dode, M., Chaleurs de formation de l'oxyde d'ethylene, de l'ethanediol et de quelques homologues, Bull. Soc. Chim. France, 1937, 4, 637-647. [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]

Zaripov, 1982
Zaripov, Z.I., Experimental study of the isobaric heat capacity of liquid organic compounds with molecular weights of up to 4000 a.e.m., 1982, Teplomassoobmen Teplofiz. [all data]

Kawaizumi, Otake, et al., 1972
Kawaizumi, F.; Otake, T.; Nomura, H.; Miyahara, Y., Heat capacities of aqueous solutions of ethylene glycol, propylene glycol and 1,3-butanediol, Nippon Kagaku. Kaishi, 1972, 1972, 1733-1776. [all data]

Parks and Huffman, 1927
Parks, G.S.; Huffman, H.M., Studies on glass. I. The transition between the glassy and liquid states in the case of some simple organic compounds, J. Phys. Chem., 1927, 31, 1842-1855. [all data]

Al-Najjar and Al-Sammerrai, 2007
Al-Najjar, Hazim; Al-Sammerrai, Dhoaib, Thermogravimetric determination of the heat of vaporization of some highly polar solvents, J. Chem. Technol. Biotechnol., 2007, 37, 3, 145-152, https://doi.org/10.1002/jctb.280370302 . [all data]

Steele, Chirico, et al., 2002
Steele, W.V.; Chirico, R.D.; Knipmeyer, S.E.; Nguyen, A., Measurements of Vapor Pressure, Heat Capacity, and Density along the Saturation Line for «gamma»-Caprolactam, Pyrazine, 1,2-Propanediol, Triethylene Glycol, Phenyl Acetylene, and Diphenyl Acetylene, J. Chem. Eng. Data, 2002, 47, 4, 689-699, https://doi.org/10.1021/je010085z . [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]

Stull, 1947
Stull, Daniel R., Vapor Pressure of Pure Substances. Organic and Inorganic Compounds, Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022 . [all data]

Schierholtz and Staples, 1935
Schierholtz, O.J.; Staples, M.L., Vapor Pressures of Certain Glycols, J. Am. Chem. Soc., 1935, 57, 12, 2709-2711, https://doi.org/10.1021/ja01315a106 . [all data]

Anteunis and Rommelaere, 1970
Anteunis, M.; Rommelaere, Y., NMR experiments on acetals. XXIX. The ease of acetonide formation of some glycols, Bull. Soc. Chim. Belg., 1970, 79, 523-530. [all data]

Zhang and Luo, 1991
Zhang, S.; Luo, Y., Kinetics and technological conditions for the synthesis of dimethyl carbonate, Chem. React. Eng. Tech., 1991, 7, 10-19. [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), References