1-[1,2,4]Triazol-1-ylethanone
- Formula: C4H5N3O
- Molecular weight: 111.1020
- IUPAC Standard InChI: InChI=1S/C4H5N3O/c1-4(8)7-3-5-2-6-7/h2-3H,1H3
- IUPAC Standard InChIKey: GLGDTYAVPSJOSQ-UHFFFAOYSA-N
- CAS Registry Number: 15625-88-4
- 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. - Other names: 1-Acetyl-1H-1,2,4-triazole; 1-Acetyl-1,2,4-triazole
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Reaction thermochemistry data
Go To: Top, References, Notes
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
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By formula: C4H5N3O + H2O = C2H3N3 + C2H4O2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -30.5 ± 0.3 | kJ/mol | Cm | Wadso, 1960 | solid phase; Heat of hydrolysis |
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By formula: C4H11N + C4H5N3O = C6H13NO + C2H3N3
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -85.8 ± 0.3 | kJ/mol | Cm | Wadso, 1962 | solid phase |
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By formula: C4H5N3O + C6H7N = C8H9NO + C2H3N3
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -72.3 ± 0.3 | kJ/mol | Cm | Wadso, 1962 | solid phase |
References
Go To: Top, Reaction thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Wadso, 1960
Wadso, I.,
Heats of hydrolysis of N-acetylated imidazole, 1,2,4-triazole and tetrazole,
Acta Chem. Scand., 1960, 14, 903-908. [all data]
Wadso, 1962
Wadso, I.,
Heats of aminolysis and hydrolysis of some N-acetyl compounds and of acetic anhydride,
Acta Chem. Scand., 1962, 16, 471-478. [all data]
Notes
Go To: Top, Reaction thermochemistry data, References
- Symbols used in this document:
ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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