1,2-Butanediol

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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

Quantity Value Units Method Reference Comment
Tc680.KN/ASteele, Chirico, et al., 1996Uncertainty assigned by TRC = 2. K; TRC
Quantity Value Units Method Reference Comment
Pc52.10barN/ASteele, Chirico, et al., 1996Uncertainty assigned by TRC = 2.50 bar; from extraploation of obs. vapor pressures to Tc; TRC
Quantity Value Units Method Reference Comment
ρc3.300mol/lN/ASteele, Chirico, et al., 1996Uncertainty assigned by TRC = 0.13 mol/l; TRC
Quantity Value Units Method Reference Comment
Δvap70.4 ± 0.3kJ/molGSVerevkin, 2004Based on data from 283. - 332. K.; AC
Δvap73.3 ± 0.4kJ/molCErmelinda Eusébio, Lopes Jesus, et al., 2003AC
Δvap71.6 ± 0.8kJ/molEBSteele, Chirico, et al., 1996, 2Based on data from 372. - 506. K.; AC

Reduced pressure boiling point

Tboil (K) Pressure (bar) Reference Comment
464.70.996Aldrich Chemical Company Inc., 1990BS

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
51.5 ± 0.4360.EBSteele, Chirico, et al., 1996, 2Based on data from 372. - 506. K.; AC
48.9 ± 0.4400.EBSteele, Chirico, et al., 1996, 2Based on data from 372. - 506. K.; AC
46.3 ± 0.4440.EBSteele, Chirico, et al., 1996, 2Based on data from 372. - 506. K.; AC
43.6 ± 0.4480.EBSteele, Chirico, et al., 1996, 2Based on data from 372. - 506. K.; AC
40.7 ± 0.5520.EBSteele, Chirico, et al., 1996, 2Based on data from 372. - 506. K.; AC

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:


References

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

Steele, Chirico, et al., 1996
Steele, W.V.; Chirico, R.D.; Knipmeyer, S.E.; Nguyen, A., Vapor pressure of acetophenone, (+-)-1,2-butanediol, (+-)-1,3-butanediol, diethylene glycol monopropyl ether, 1,3-dimethyladamantane, 2-ethoxyethyl acetate, ethyl octyl sufide, and pentyl acetate, J. Chem. Eng. Data, 1996, 41, 1255-68. [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]

Ermelinda Eusébio, Lopes Jesus, et al., 2003
Ermelinda Eusébio, M.; Lopes Jesus, A.J.; Cruz, Mafalda S.C.; Leitão, M. Luisa P.; Simões Redinha, J., Enthalpy of vaporisation of butanediol isomers, The Journal of Chemical Thermodynamics, 2003, 35, 1, 123-129, https://doi.org/10.1016/S0021-9614(02)00306-3 . [all data]

Steele, Chirico, et al., 1996, 2
Steele, W.V.; Chirico, R.D.; Knipmeyer, S.E.; Nguyen, A., Vapor Pressure of Acetophenone, (±)-1,2-Butanediol, (±)-1,3-Butanediol, Diethylene Glycol Monopropyl Ether, 1,3-Dimethyladamantane, 2-Ethoxyethyl Acetate, Ethyl Octyl Sulfide, and Pentyl Acetate, J. Chem. Eng. Data, 1996, 41, 6, 1255-1268, https://doi.org/10.1021/je9601117 . [all data]

Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc., Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]


Notes

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