Piperazine, 1,4-dinitroso-
- Formula: C4H8N4O2
- Molecular weight: 144.1319
- IUPAC Standard InChI: InChI=1S/C4H8N4O2/c9-5-7-1-2-8(6-10)4-3-7/h1-4H2
- IUPAC Standard InChIKey: WNSYEWGYAFFSSQ-UHFFFAOYSA-N
- CAS Registry Number: 140-79-4
- 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: N,N'-Dinitrosopiperazine; 1,4-Dinitrosopiperazine; Dinitrosopiperazin; Dinitrosopiperazine; NSC 339; USAF do-36; Dnpz
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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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tfus | 429.15 | K | N/A | Aroney and Le Fevre, 1960 | Uncertainty assigned by TRC = 1.5 K; TRC |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔsubH° | 101. ± 0.8 | kJ/mol | V | Pepekin, Matyushin, et al., 1974 | ALS |
Enthalpy of sublimation
| ΔsubH (kJ/mol) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 101. ± 8. | 343. | Pepekin, Matyushin, et al., 1974 | Based on data from 325. to 360. K. See also Pedley and Rylance, 1977.; AC |
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.
Aroney and Le Fevre, 1960
Aroney, M.; Le Fevre, R.J.W.,
Molecular polarizability. The conformation of various n-substituted anilines, piperidines, and piperazines,
J. Chem. Soc., 1960, 1960, 2161. [all data]
Pepekin, Matyushin, et al., 1974
Pepekin, V.I.; Matyushin, Yu.N.; Lebedev, Yu.A.,
Thermochemistry of N-nitro- and N-nitrosoamines of the alicyclic series,
Bull. Acad. Sci. USSR, Div. Chem. Sci., 1974, 1707-1710. [all data]
Pedley and Rylance, 1977
Pedley, J.B.; Rylance, J.,
, Computer Analysed Thermochemical Data: Organic and Organometallic Compounds, University of Sussex, Brighton, 1977. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Tfus Fusion (melting) point ΔsubH Enthalpy of sublimation ΔsubH° Enthalpy of sublimation at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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