Propylene Glycol

• Formula: C₃H₈O₂
• Molecular weight: 76.0944
• IUPAC Standard InChI: InChI=1S/C3H8O2/c1-3(5)2-4/h3-5H,2H2,1H3 Copy

  
• IUPAC Standard InChIKey: DNIAPMSPPWPWGF-UHFFFAOYSA-N Copy
• CAS Registry Number: 57-55-6
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
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• Species with the same structure:
  • Polyglycol p-750 (dow)
  • Propylene Glycol
• Stereoisomers:
  • R-(-)-1,2-propanediol
  • (S)-(+)-1,2-Propanediol
• Other names: 1,2-Propanediol; α-Propylene glycol; Methylethyl glycol; Methylethylene glycol; Monopropylene glycol; PG 12; Sirlene; 1,2-Dihydroxypropane; 1,2-Propylene glycol; 2-Hydroxypropanol; 2,3-Propanediol; Propane-1,2-diol; Dowfrost; Propylene glycol USP; 1,2-Propylenglykol; Solar winter ban; Sentry Propylene Glycol; Isopropylene glycol; Ucar 35; Solargard P; Ilexan P; Prolugen; Trimethyl glycol; 1,2-Propandiol; Propylenglycol; (RS)-1,2-Propanediol; (.+/-.)-1,2-Propanediol; DL-1,2-Propanediol; NSC 69860; DL-Propylene glycol; propylene glycol (1,2-propanediol); 1,2-propanediol (propylene glycol); propanediol; Methyl glycol
• Information on this page:
  • Enthalpy of vaporization at standard conditions (nominally 298.15 K, 1 atm.)
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Phase change data
  • Reaction thermochemistry data
  • Henry's Law data
  • Gas phase ion energetics data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • Gas Chromatography
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
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Enthalpy of vaporization at standard conditions (nominally 298.15 K, 1 atm.)

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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:
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.

References

Go To: Top, Enthalpy of vaporization at standard conditions (nominally 298.15 K, 1 atm.), Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Verevkin, Emel'yanenko, et al., 2009
Verevkin, Sergey P.; Emel'yanenko, Vladimir N.; Nell, Gernot, 1,2-Propanediol. Comprehensive experimental and theoretical study, The Journal of Chemical Thermodynamics, 2009, 41, 10, 1125-1131, https://doi.org/10.1016/j.jct.2009.04.019 . [all data]

Chylinski, Fras, et al., 2004
Chylinski, Krzysztof; Fras, Zbigniew; Malanowski, Stanislaw K., Vapor-Liquid Equilibrium for Propylene Glycol + 2-(2-Hexyloxyethoxy)ethanol and 1-Methyl-2-pyrrolidone + 1-Methoxypropan-2-ol ^«8224», J. Chem. Eng. Data, 2004, 49, 1, 18-23, https://doi.org/10.1021/je034096z . [all data]

Verevkin, 2004
Verevkin, Sergey P., Determination of vapor pressures and enthalpies of vaporization of 1,2-alkanediols, Fluid Phase Equilibria, 2004, 224, 1, 23-29, https://doi.org/10.1016/j.fluid.2004.05.010 . [all data]

Tatavarti, Dollimore, et al., 2002
Tatavarti, Aditya S.; Dollimore, David; Alexander, Kenneth S., A thermogravimetric analysis of non-polymeric pharmaceutical plasticizers: Kinetic analysis, method validation, and thermal stability evaluation, AAPS PharmSci, 2002, 4, 4, 231-242, https://doi.org/10.1208/ps040445 . [all data]

Wilding, Wilson, et al., 1991
Wilding, W.V.; Wilson, L.C.; Wilson, G.M., Vapor-liquid equilibrium measurements on eight binary mixtures:  DIPPR Projects 805(A)/89 and 805(E)/89, AIChE Data Ser., 1991, 1, 6. [all data]

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]

Thomas and Meatyard, 1966
Thomas, Leo H.; Meatyard, R., Viscosity and molecular association. Part VI. Association of dihydric alcohols and phenols, J. Chem. Soc., A, 1966, 92, https://doi.org/10.1039/j19660000092 . [all data]

Notes

Go To: Top, Enthalpy of vaporization at standard conditions (nominally 298.15 K, 1 atm.), References

• Symbols used in this document:
  

  ΔvapH°

  Enthalpy of vaporization at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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