2-Butyne-1,4-diol

• Formula: C₄H₆O₂
• Molecular weight: 86.0892
• IUPAC Standard InChI: InChI=1S/C4H6O2/c5-3-1-2-4-6/h5-6H,3-4H2 Copy

  
• IUPAC Standard InChIKey: DLDJFQGPPSQZKI-UHFFFAOYSA-N Copy
• CAS Registry Number: 110-65-6
• 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:
  • 2-butyn-1,4-diol
• Other names: Bis(hydroxymethyl)acetylene; But-2-yne-1,4-diol; 1,4-Butynediol; 1,4-Dihydroxy-2-butyne; 2-Butynediol; Butynediol; 2-Butin-1,4-diol; UN 2716; 1,2-Dimethoxyacetylene; NSC 834
• Information on this page:
  • Phase change data
  • Reaction thermochemistry data
  • Ion clustering data
  • References
  • Notes
• Other data available:
  • IR Spectrum
  • Mass spectrum (electron ionization)
• Options:
  • Switch to calorie-based units

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• NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data)

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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
AC - William E. Acree, Jr., James S. Chickos

Reduced pressure boiling point

Enthalpy of vaporization

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: John E. Bartmess

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)

By formula: (Cl^- • C₄H₆O₂) + C₄H₆O₂ = (Cl^- • 2C₄H₆O₂)

 +  = ( • )

By formula: Cl^- + C₄H₆O₂ = (Cl^- • C₄H₆O₂)

Ion clustering 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: John E. Bartmess

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.

Clustering reactions

 +  = ( • )

By formula: Cl^- + C₄H₆O₂ = (Cl^- • C₄H₆O₂)

( • ) +  = ( • 2)

By formula: (Cl^- • C₄H₆O₂) + C₄H₆O₂ = (Cl^- • 2C₄H₆O₂)

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.

Farchan Laboratories, 1990
Farchan Laboratories, Research Chemicals Catalog, Farchan Laboratories, Gainesville, FL, 1990, 91. [all data]

Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 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]

Ganzhan, Semenenko, et al., 1966
Ganzhan, V.A.; Semenenko, S.V.; Kirillova, O.G., Zh. Prikl. Khim., 1966, 39, 6, 1399. [all data]

Dykyj, 1971
Dykyj, J., Petrochemia, 1971, 11, 2, 27. [all data]

Zhang, Beglinger, et al., 1995
Zhang, W.; Beglinger, C.; Stone, J.A., High-pressure mass spectrometric study of the gas-phase association of Cl- with alpha,omega-diols, J. Phys. Chem., 1995, 99, 30, 11673, https://doi.org/10.1021/j100030a009 . [all data]

Notes

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• Symbols used in this document:
  

  Tboil	Boiling point
  ΔrG°	Free energy of reaction 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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