2,3-Butanediol

• Formula: C₄H₁₀O₂
• Molecular weight: 90.1210
• IUPAC Standard InChI: InChI=1S/C4H10O2/c1-3(5)4(2)6/h3-6H,1-2H3 Copy

  
• IUPAC Standard InChIKey: OWBTYPJTUOEWEK-UHFFFAOYSA-N Copy
• CAS Registry Number: 513-85-9
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
  The 3d structure may be viewed using Java or Javascript.
• Species with the same structure:
  • DL-2,3-Butanediol
  • levo-butane-2,3-diol
• Stereoisomers:
  • 2,3-Butanediol, [S-(R*,R*)]-
  • 2,3-Butanediol, [R-(R*,R*)]-
  • meso-2,3-Butanediol
  • 2,3-Butanediol, rac
  • 2,3-Butanediol, (R,R)
  • 2,3-Butanediol, (R,S)
• Other names: Butane-2,3-diol; Dimethylethylene glycol; 2,3-Butylene glycol; 2,3-Dihydroxybutane; D-2,3-Butane diol; 2,3-Butandiol; 2,3-Butanediol, isomer 1; 2,3-butanodiol; 2.3-Butanediol, isomer 3; 2,3-Butanediol, isomer 2
• Information on this page:
  • Condensed phase thermochemistry data
  • Phase change data
  • Reaction thermochemistry data
  • Gas phase ion energetics data
  • IR Spectrum
  • References
  • Notes
• Other data available:
  • Henry's Law data
  • Mass spectrum (electron ionization)
  • Gas Chromatography
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
• Options:
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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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Constant pressure heat capacity of liquid

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

Enthalpy of vaporization

Antoine Equation Parameters

log₁₀(P) = A − (B / (T + C))
    P = vapor pressure (bar)
    T = temperature (K)

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Reaction 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

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

 + 2 =  + 2

By formula: C₈H₁₄O₄ + 2H₂O = C₄H₁₀O₂ + 2C₂H₄O₂

 + 2 =  + 2

By formula: C₄H₁₀O₂ + 2C₂H₄O₂ = C₈H₁₄O₄ + 2H₂O

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 as indicated in comments:
LL - Sharon G. Lias and Joel F. Liebman
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard

Appearance energy determinations

IR Spectrum

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Data compiled by: Coblentz Society, Inc.

• LIQUID; Not specified, most likely a prism, grating, or hybrid spectrometer.; DIGITIZED BY NIST FROM HARD COPY; 4 cm^-1 resolution
• LIQUID (NEAT); DOW KBr FOREPRISM-GRATING; DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS); 4 cm^-1 resolution

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

• gas; HP-GC/MS/IRD

References

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

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

Baroody and Carpenter, 1972
Baroody, E.E.; Carpenter, G.A., Heats of formation of propellant compounds (U), Rpt. Naval Ordnance Systems Command Task No. 331-003/067-1/UR2402-001 for Naval Ordance Station, Indian Head, MD, 1972, 1-9. [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]

Khokhlovkin and Kalacheva, 1936
Khokhlovkin, M.A.; Kalacheva, A.V., The specific heat of 2,3-butanediol, Sintet. Kauchuk 5, 1936, No.1, 25-27. [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]

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

Walpole, 1911
Walpole, G.S., Proc. R. Soc. London, B, 1911, 83, 272. [all data]

Sabatier and Mailhe, 1907
Sabatier, P.; Mailhe, A., The Direct Hydrogenation of Methyl Diketones, C. R. Hebd. Seances Acad. Sci., 1907, 144, 1086. [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]

Shlechter, Othmer, et al., 1945
Shlechter, N.; Othmer, D.F.; Marshak, S., Esterification of 2,3-butylene glycol with acetic acid, Ind. Eng. Chem., 1945, 37, 900-905. [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]

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]

Holmes and Lossing, 1984
Holmes, J.L.; Lossing, F.P., Heats of formation of organic radicals from appearance energies, Int. J. Mass Spectrom. Ion Processes, 1984, 58, 113. [all data]

Sirois, George, et al., 1994
Sirois, M.; George, M.; Holmes, J.L., Neutral counterparts of the C₂H₇O⁺ isomers, Org. Mass Spectrom., 1994, 29, 11. [all data]

Notes

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• Symbols used in this document:
  

  AE	Appearance energy
  Cp,liquid	Constant pressure heat capacity of liquid
  Tboil	Boiling point
  Tfus	Fusion (melting) point
  ΔcH°liquid	Enthalpy of combustion of liquid at standard conditions
  ΔfH°liquid	Enthalpy of formation of liquid at standard conditions
  ΔrH°	Enthalpy of reaction at standard conditions
  ΔvapH	Enthalpy of vaporization

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