1,2-Butanediol

• Formula: C₄H₁₀O₂
• Molecular weight: 90.1210
• IUPAC Standard InChI: InChI=1S/C4H10O2/c1-2-4(6)3-5/h4-6H,2-3H2,1H3 Copy

  
• IUPAC Standard InChIKey: BMRWNKZVCUKKSR-UHFFFAOYSA-N Copy
• CAS Registry Number: 26171-83-5
• 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:
  • 1,2-Butanediol
• Other names: 1,2-Butylene glycol; α-Butylene glycol; Ethylethylene glycol; 1,2-(Dihydroxy)butane; Butane-1,2-diol; DL-1,2-Butanediol; 1,2-Butandiol; NSC 24242; 1,2-Butanediol, (.+/-.)-
• Information on this page:
  • Phase change data
  • References
  • Notes
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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

Reduced pressure boiling point

Enthalpy of vaporization

References

Go To: Top, Phase change data, Notes

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

Go To: Top, Phase change data, References

• Symbols used in this document:
  

  Pc	Critical pressure
  Tboil	Boiling point
  Tc	Critical temperature
  ΔvapH	Enthalpy of vaporization
  ΔvapH°	Enthalpy of vaporization at standard conditions
  ρc	Critical density

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