dl-Threonine

• Formula: C₄H₉NO₃
• Molecular weight: 119.1192
• IUPAC Standard InChI: InChI=1S/C4H9NO3/c1-2(6)3(5)4(7)8/h2-3,6H,5H2,1H3,(H,7,8) Copy

  
• IUPAC Standard InChIKey: AYFVYJQAPQTCCC-UHFFFAOYSA-N Copy
• CAS Registry Number: 80-68-2
• Chemical structure:
  This structure is also available as a 2d Mol file
• Stereoisomers:
  • D-Allothreonine
  • Threonine
• Other names: DL-2-Amino-3-hydroxybutanoic acid; Threonine, DL-
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Condensed phase thermochemistry data
  • Reaction thermochemistry data
  • Ion clustering data
  • Mass spectrum (electron ionization)
  • References
  • Notes
• Other data available:
  • UV/Visible spectrum
• 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

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: Robert C. Dunbar

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

 +  = ( • )

By formula: Na⁺ + C₄H₉NO₃ = (Na⁺ • C₄H₉NO₃)

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: Robert C. Dunbar

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: Na⁺ + C₄H₉NO₃ = (Na⁺ • C₄H₉NO₃)

Mass spectrum (electron ionization)

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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

Spectrum

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Additional Data

References

Go To: Top, Condensed phase thermochemistry data, Reaction thermochemistry data, Ion clustering data, Mass spectrum (electron ionization), Notes

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

Ponomarev and Migarskaya, 1960
Ponomarev, V.V.; Migarskaya, L.B., Heats of combustion of some amino-acids, Russ. J. Phys. Chem. (Engl. Transl.), 1960, 34, 1182-1183. [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]

Kish, Ohanessian, et al., 2003
Kish, M.M.; Ohanessian, G.; Wesdemiotis, C., The Na+ affinities of a-amino acids: side-chain substituent effects, Int. J. Mass Spectrom., 2003, 227, 3, 509, https://doi.org/10.1016/S1387-3806(03)00082-4 . [all data]

Notes

Go To: Top, Condensed phase thermochemistry data, Reaction thermochemistry data, Ion clustering data, Mass spectrum (electron ionization), References

• Symbols used in this document:
  

  ΔcH°solid	Enthalpy of combustion of solid at standard conditions
  ΔrH°	Enthalpy of reaction at standard conditions

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