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Propylene Glycol

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Gas 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 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-429.8 ± 4.1kJ/molCcbKnauth and Sabbah, 1990ALS
Deltafgas-421. ± 3.kJ/molCcbGardner and Hussain, 1972ALS
Deltafgas-435.3kJ/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, 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-501.0 ± 4.1kJ/molCcbKnauth and Sabbah, 1990ALS
Deltafliquid-486. ± 3.kJ/molCcbGardner and Hussain, 1972ALS
Deltafliquid-500.3 ± 1.8kJ/molCcbMoureu and Dode, 1937Reanalyzed by Cox and Pilcher, 1970, Original value = -499.2 kJ/mol; ALS
Quantity Value Units Method Reference Comment
Deltacliquid-1822.9 ± 4.1kJ/molCcbKnauth and Sabbah, 1990Corresponding «DELTA»fliquid = -501.0 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Deltacliquid-1838.1 ± 2.3kJ/molCcbGardner and Hussain, 1972Corresponding «DELTA»fliquid = -485.76 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Deltacliquid-1823.5 ± 1.8kJ/molCcbMoureu and Dode, 1937Reanalyzed by Cox and Pilcher, 1970, Original value = -1824. kJ/mol; Corresponding «DELTA»fliquid = -500.32 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
189.9298.Zaripov, 1982T = 298, 323, 363 K.; DH
177.0303.Kawaizumi, Otake, et al., 1972DH
180.3276.7Parks and Huffman, 1927T = 91 to 277 K. Value is unsmoothed experimental datum.; DH

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, 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]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, References