2-Propanone, phenylhydrazone
- Formula: C9H12N2
- Molecular weight: 148.2050
- IUPAC Standard InChI: InChI=1S/C9H12N2/c1-8(2)10-11-9-6-4-3-5-7-9/h3-7,11H,1-2H3
- IUPAC Standard InChIKey: JQLKSEQEILIJEG-UHFFFAOYSA-N
- CAS Registry Number: 103-02-6
- 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. - Other names: Acetone phenylhydrazone; N-Isopropylidene-N'-phenylhydrazine
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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
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°liquid | -38.56 | kcal/mol | Cm | Landrieu, 1905 | Author's hf298_condensed[kcal/mol]=-44.9 kcal/mol |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°liquid | -1217.8 | kcal/mol | Cm | Landrieu, 1905 | Author's hf298_condensed[kcal/mol]=-44.9 kcal/mol |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔfH°solid | -45.9 | kcal/mol | Cm | Landrieu, 1905 |
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
| Tboil (K) | Pressure (atm) | Reference | Comment |
|---|---|---|---|
| 436.2 | 0.066 | Weast and Grasselli, 1989 | BS |
Enthalpy of vaporization
| ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 17.8 | 424. | A | Stephenson and Malanowski, 1987 | Based on data from 413. to 436. K.; AC |
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
=
By formula: C9H12N2 = C9H12N2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -5.5 | kcal/mol | Cm | Engel, Wang, et al., 1993 | solid phase; Tautomerization |
+
=
+
By formula: C9H12N2 + H2O = C6H8N2 + C3H6O
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -10.3 | kcal/mol | Cm | Landrieu, 1905 | solid phase |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Landrieu, 1905
Landrieu, M.Ph.,
Thermochimie. - Thermochimie des hydrazones,
Compt. Rend., 1905, 141, 358-361. [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]
Engel, Wang, et al., 1993
Engel, P.S.; Wang, C.; Chen, Y.; Ruchardt, C.; Beckhaus, H.-D.,
Synthesis, thermochemistry, and reactions of vicinal bis(azoalkanes). The chemistry α- and β-azo radicals,
J. Am. Chem. Soc., 1993, 115, 65-74. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, References
- Symbols used in this document:
Tboil Boiling point ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔfH°solid Enthalpy of formation of solid 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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