2,3-Butanediol, 2,3-dimethyl-

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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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfgas-129.2 ± 2.2kcal/molCmGuthrie, 1977Hydrolysis

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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfliquid-144.9 ± 2.0kcal/molCmGuthrie, 1977Hydrolysis

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

Quantity Value Units Method Reference Comment
Tboil449. ± 20.KAVGN/AAverage of 9 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus316.48KN/APriest, Woolley, et al., 1983Uncertainty assigned by TRC = 0.05 K; TRC
Tfus314.25KN/AMellan, 1962Uncertainty assigned by TRC = 1. K; TRC
Quantity Value Units Method Reference Comment
Δvap15.8 ± 1.0kcal/molEGuthrie, 1977Hydrolysis; ALS
Δvap15.8kcal/molN/AGuthrie, 1977DRB

Reduced pressure boiling point

Tboil (K) Pressure (atm) Reference Comment
444.70.972Aldrich Chemical Company Inc., 1990BS

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
14.1361.AStephenson and Malanowski, 1987Based on data from 346. to 448. K.; AC

Enthalpy of fusion

ΔfusH (kcal/mol) Temperature (K) Method Reference Comment
3.51316.2DSCPriest, Woolley, et al., 1983, 2AC

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:


Gas phase ion energetics 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: Sharon G. Lias and Joel F. Liebman

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C3H7O+9.60C3H7OEIHolmes, Lossing, et al., 1991 

IR Spectrum

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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

Gas Phase Spectrum

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IR spectrum
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Additional Data

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Owner NIST Standard Reference Data Program
Collection (C) 2018 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
State gas
Instrument HP-GC/MS/IRD

This IR spectrum is from the NIST/EPA Gas-Phase Infrared Database .


Gas Chromatography

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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

Kovats' RI, non-polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
PackedApiezon L160.850.Bogoslovsky, Anvaer, et al., 1978Celite 545

Van Den Dool and Kratz RI, polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryDB-Wax1338.Shiratsuchi, Shimoda, et al., 199460. m/0.25 mm/0.25 μm, 2. K/min, 230. C @ 60. min; Tstart: 50. C
CapillaryDB-Wax1338.Shiratsuchi, Shimoda, et al., 1994, 260. m/0.25 mm/0.25 μm, He, 2. K/min, 230. C @ 60. min; Tstart: 50. C

Normal alkane RI, non-polar column, custom temperature program

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Column type Active phase I Reference Comment
CapillarySE-30843.Vinogradov, 2004Program: not specified

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, IR Spectrum, Gas Chromatography, Notes

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

Guthrie, 1977
Guthrie, J.P., Cyclization of glycol monoesters to give hemiorthoesters: a test of the thermochemical method for determining free energies of tetrahedral intermediates, Can. J. Chem., 1977, 55, 3562-3574. [all data]

Priest, Woolley, et al., 1983
Priest, J.G.; Woolley, E.M.; Ott, J.B.; Goates, J.R., Solid+liquid phase equilibria, excess enthalpies, and enthalpies of fusion fusion in 2,3-dimethyl-2,3-butanediol + water., J. Chem. Thermodyn., 1983, 15, 357-66. [all data]

Mellan, 1962
Mellan, I., Polyhydric Alcohols, Spartan Books: Washington, DC, 1962. [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]

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]

Priest, Woolley, et al., 1983, 2
Priest, Jeffrey G.; Woolley, Earl M.; Ott, J. Bevan; Goates, J. Rex, Solid + liquid phase equilibria, excess enthalpies, and enthalpies of fusion in (2,3-dimethyl-2,3-butanediol + water), The Journal of Chemical Thermodynamics, 1983, 15, 4, 357-366, https://doi.org/10.1016/0021-9614(83)90065-4 . [all data]

Holmes, Lossing, et al., 1991
Holmes, J.L.; Lossing, F.P.; Mayer, P.M., Heats of formation of oxygen-containing organic free radicals from appearance energy measurements, J. Am. Chem. Soc., 1991, 113, 9723. [all data]

Bogoslovsky, Anvaer, et al., 1978
Bogoslovsky, Yu.N.; Anvaer, B.I.; Vigdergauz, M.S., Chromatographic constants in gas chromatography (in Russian), Standards Publ. House, Moscow, 1978, 192. [all data]

Shiratsuchi, Shimoda, et al., 1994
Shiratsuchi, H.; Shimoda, M.; Imayoshi, K.; Noda, K.; Osajima, Y., Off-flavor compounds in spray-dried skim milk powder, J. Agric. Food Chem., 1994, 42, 6, 1323-1327, https://doi.org/10.1021/jf00042a014 . [all data]

Shiratsuchi, Shimoda, et al., 1994, 2
Shiratsuchi, H.; Shimoda, M.; Imayoshi, K.; Noda, K.; Osajima, Y., Volatile flavor compounds in spray-dried skim milk powder, J. Agric. Food Chem., 1994, 42, 4, 984-988, https://doi.org/10.1021/jf00040a028 . [all data]

Vinogradov, 2004
Vinogradov, B.A., Production, composition, properties and application of essential oils, 2004, retrieved from http://viness.narod.ru. [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, IR Spectrum, Gas Chromatography, References